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      <title>실생활 속에서 숨은 답을 찾아라! - 데이터ㆍAI 문제해결 캠프 by pshlyn_G</title>
      <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den</link>
      <description>buly.kr/5UHwdzq
</description>
      <language>en-us</language>
      <pubDate>2025-06-19 12:16:27 UTC</pubDate>
      <lastBuildDate>2025-07-05 13:21:41 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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      <item>
         <title>프로젝트 주제 선정</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3495978264</link>
         <description><![CDATA[<p>스스로 해결하고 싶은 주제를 선택하고 계획을 설계합니다.</p><p><br/></p><ol><li><p>제목 : 학번 +이름</p></li><li><p>내용 : 주제 설명하기</p></li></ol>]]></description>
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         <pubDate>2025-06-19 12:16:28 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3495978264</guid>
      </item>
      <item>
         <title>패들렛 QR</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3495982442</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-06-19 12:22:00 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3495982442</guid>
      </item>
      <item>
         <title>1.2. 택배 시스템 최적화를 위한 사이킷런 필요 모듈 불러오기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496021838</link>
         <description><![CDATA[<p>import numpy as np</p><p>import pandas as pd</p><p>import matplotlib.pyplot as plt</p><p>%matplotlib inline</p><p># ML 알고리즘 중 k-평균 군집화 알고리즘을 사용하기 위한 모듈</p><p>from sklearn.cluster import KMeans</p><p># 원본 데이터에서 학습 데이터와 테스트 데이터를 분리하기 위한 모듈</p><p>from sklearn.model_selection import train_test_split</p><p># 클러스터 모델 성능 평가를 위해 필요합니다. 즉 실루엣 분석 metric 값을 구하기 위한 모듈</p><p>from sklearn.metrics import silhouette_samples, silhouette_score</p><p># seaborn으로 그래프를 표현하기 위해 seaborn의 라이브러리를 불러옵니다.</p><p>import seaborn as sns</p><p># 한글폰트 사용을 위해 matplotlib의 pyplot을 plt라는 별칭으로 불러옵니다.</p><p>import matplotlib.pyplot as plt</p><p># plt.rc("font", family="AppleGothic")</p><p># plt.rc("font", family="Malgun Gothic")</p><p>plt.rc("font", family="NanumGothic")</p><p># 축에 마이너스 값을 표현하기 위해 필요합니다.</p><p>plt.rc("axes", unicode_minus=False)</p>]]></description>
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         <pubDate>2025-06-19 13:16:11 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496021838</guid>
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      <item>
         <title>1.3. 인천택배 위치데이터 파일(delivery.csv) 불러온 후 샘플 5개를 출력하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496023219</link>
         <description><![CDATA[<p>df = <a rel="noopener noreferrer nofollow" href="http://pd.read">pd.read</a>_csv('data/delivery.csv',encoding="UTF-8")</p><p>df.head()</p>]]></description>
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         <pubDate>2025-06-19 13:17:58 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496023219</guid>
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      <item>
         <title>1.1. 인천택배 위치데이터로 물류센터 최적화 프로젝트의 개요</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496025858</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-06-19 13:21:40 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496025858</guid>
      </item>
      <item>
         <title>1.4. 데이터 프레임의 컬럼명, 데이터 개수, Null 개수, 데이터 타입등의 요약 정보 확인하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496026732</link>
         <description><![CDATA[<p><a rel="noopener noreferrer nofollow" href="http://df.info">df.info</a>()</p>]]></description>
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         <pubDate>2025-06-19 13:22:53 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496026732</guid>
      </item>
      <item>
         <title>1.5. 피처 데이터 지정하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496033908</link>
         <description><![CDATA[<p>df_feature = df.iloc[:, 1:]</p>]]></description>
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         <pubDate>2025-06-19 13:31:43 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496033908</guid>
      </item>
      <item>
         <title>1.6. ML 알고리즘 중 k-평균 군집화 알고리즘 사용하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496039426</link>
         <description><![CDATA[<p>kmeans = KMeans(n_clusters=4, init='k-means++', max_iter=1000, verbose=1, random_state=0)</p>]]></description>
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         <pubDate>2025-06-19 13:38:30 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496039426</guid>
      </item>
      <item>
         <title>1.7. fit 함수를 사용하여 피처 데이터로 학습(Train, 군집화) 수행하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496047053</link>
         <description><![CDATA[<p><a rel="noopener noreferrer nofollow" href="http://kmeans.fit">kmeans.fit</a>(df_feature)</p>]]></description>
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         <pubDate>2025-06-19 13:48:16 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496047053</guid>
      </item>
      <item>
         <title>1.8. predict함수를 사용하여 피처 데이터로 예측(Predict) 수행하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496051649</link>
         <description><![CDATA[<p>pred = kmeans.predict(df_feature)</p><p>print(pred)</p>]]></description>
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         <pubDate>2025-06-19 13:54:20 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496051649</guid>
      </item>
      <item>
         <title>1.9. 군집화한 군집 중심점 좌표 결과 확인하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496053526</link>
         <description><![CDATA[<p>center = kmeans.cluster_centers_ # 언더바는 예약어</p><p>center</p><p><br></p><p>print(center[0,0])</p>]]></description>
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         <pubDate>2025-06-19 13:56:11 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496053526</guid>
      </item>
      <item>
         <title>1.10. 피처 데이터에 예측을 수행한 군집화된 결과값을 cluster_df 변수에 저장한 후 샘플 5개를 출력하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496055677</link>
         <description><![CDATA[<p>cluster_df = df_feature</p><p>cluster_df['cluster'] = pred</p><p>cluster_df.head()</p>]]></description>
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         <pubDate>2025-06-19 13:58:50 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496055677</guid>
      </item>
      <item>
         <title>1.11. 인천택배 위치데이터에 4개의 군집점을 scatterplot 함수로 시각화하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496075859</link>
         <description><![CDATA[<p>lat = df['Latitude']</p><p>lon = df['Longitude']</p><p>plt.title("Latitude &amp; Longitude")</p><p>plt.xlabel("Longitude")</p><p>plt.ylabel("Latitude")</p><p>plt.scatter(lon, lat, c='blue', s=10, label="location")</p><p>plt.scatter(center[0,1], center[0,0], marker="*", c='red', s=100, label="centroids")</p><p>plt.scatter(center[1,1], center[1,0], marker="*", c='red', s=100, label="centroids")</p><p>plt.scatter(center[2,1], center[2,0], marker="*", c='red', s=100, label="centroids")</p><p>plt.scatter(center[3,1], center[3,0], marker="*", c='red', s=100, label="centroids")</p><p>plt.legend(loc="best")</p><p>plt.grid()</p><p><a rel="noopener noreferrer nofollow" href="http://plt.show">plt.show</a>()</p>]]></description>
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         <pubDate>2025-06-19 14:24:57 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496075859</guid>
      </item>
      <item>
         <title>1.12. 인천택배 위치데이터에 군집화된 결과값을 scatterplot 함수로 시각화하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496077597</link>
         <description><![CDATA[<p>import matplotlib.pyplot as plt</p><p>sns.scatterplot(data=cluster_df, x='Longitude', y='Latitude', hue='cluster')</p><p><a rel="noopener noreferrer nofollow" href="http://plt.show">plt.show</a>()</p>]]></description>
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         <pubDate>2025-06-19 14:27:31 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496077597</guid>
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      <item>
         <title>1.13. 클러스터별 평균 실루엣 계수의 시각화를 통한 클러스터 개수 최적화 방법 확인을 위한 함수 정의</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496080575</link>
         <description><![CDATA[<p>import <a rel="noopener noreferrer nofollow" href="http://matplotlib.cm">matplotlib.cm</a> as cm</p><p>### 여러개의 클러스터링 갯수를 List로 입력 받아 각각의 실루엣 계수를 면적으로 시각화한 함수 작성</p><p>def visualize_silhouette(cluster_lists, X_features):    </p><p>    </p><p>    # 입력값으로 클러스터링 갯수들을 리스트로 받아서, 각 갯수별로 클러스터링을 적용하고 실루엣 개수를 구함</p><p>    n_cols = len(cluster_lists)</p><p>    </p><p>    # plt.subplots()으로 리스트에 기재된 클러스터링 수만큼의 sub figures를 가지는 axs 생성 </p><p>    fig, axs = plt.subplots(figsize=(4*n_cols, 4), nrows=1, ncols=n_cols)</p><p>    </p><p>    # 리스트에 기재된 클러스터링 갯수들을 차례로 iteration 수행하면서 실루엣 개수 시각화</p><p>    for ind, n_cluster in enumerate(cluster_lists):</p><p>        </p><p>        # KMeans 클러스터링 수행하고, 실루엣 스코어와 개별 데이터의 실루엣 값 계산. </p><p>        clusterer = KMeans(n_clusters = n_cluster, max_iter=500, random_state=0)</p><p>        cluster_labels = <a rel="noopener noreferrer nofollow" href="http://clusterer.fit">clusterer.fit</a>_predict(X_features)</p><p>        </p><p>        sil_avg = silhouette_score(X_features, cluster_labels)</p><p>        sil_values = silhouette_samples(X_features, cluster_labels)</p><p>        </p><p>        y_lower = 10</p><p>        axs[ind].set_title('Number of Cluster : '+ str(n_cluster)+'\n' \</p><p>                          'Silhouette Score :' + str(round(sil_avg,3)) )</p><p>        axs[ind].set_xlabel("The silhouette coefficient values")</p><p>        axs[ind].set_ylabel("Cluster label")</p><p>        axs[ind].set_xlim([-0.1, 1])</p><p>        axs[ind].set_ylim([0, len(X_features) + (n_cluster + 1) * 10])</p><p>        axs[ind].set_yticks([])  # Clear the yaxis labels / ticks</p><p>        axs[ind].set_xticks([0, 0.2, 0.4, 0.6, 0.8, 1])</p><p>        </p><p>        # 클러스터링 갯수별로 fill_betweenx( )형태의 막대 그래프 표현. </p><p>        for i in range(n_cluster):</p><p>            ith_cluster_sil_values = sil_values[cluster_labels==i]</p><p>            ith_cluster_sil_values.sort()</p><p>            </p><p>            size_cluster_i = ith_cluster_sil_values.shape[0]</p><p>            y_upper = y_lower + size_cluster_i</p><p>            </p><p>            color = cm.nipy_spectral(float(i) / n_cluster)</p><p>            axs[ind].fill_betweenx(np.arange(y_lower, y_upper), 0, ith_cluster_sil_values, \</p><p>                                facecolor=color, edgecolor=color, alpha=0.7)</p><p>            axs[ind].text(-0.05, y_lower + 0.5 * size_cluster_i, str(i))</p><p>            y_lower = y_upper + 10</p><p>            </p><p>        axs[ind].axvline(x=sil_avg, color="red", linestyle="--")</p>]]></description>
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         <pubDate>2025-06-19 14:31:28 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496080575</guid>
      </item>
      <item>
         <title>1.14. cluster 개수를 2개, 3개, 4개, 5개, 6개 일때의 클러스터별 평균 실루엣 계수값을 시각화하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496082199</link>
         <description><![CDATA[<p>visualize_silhouette([ 2, 3, 4, 5, 6 ], cluster_df) ##클러스너4번이 좋다</p><p><a rel="noopener noreferrer nofollow" href="http://plt.show">plt.show</a>()</p>]]></description>
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         <pubDate>2025-06-19 14:33:42 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496082199</guid>
      </item>
      <item>
         <title>1.15. Folium 지도로 시각화 하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496087842</link>
         <description><![CDATA[<p>cluster_df.head()</p><p><br/></p><p>cluster_<a rel="noopener noreferrer nofollow" href="http://df.info">df.info</a>()</p><p><br/></p>]]></description>
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         <pubDate>2025-06-19 14:41:03 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496087842</guid>
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      <item>
         <title>1.15.1. 지도의 중심을 지정하기 위해 위도와 경도의 평균 구하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496089315</link>
         <description><![CDATA[<p>lat = cluster_df["Latitude"].mean()</p><p>long = cluster_df["Longitude"].mean()</p><p>lat, long</p>]]></description>
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         <pubDate>2025-06-19 14:43:07 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496089315</guid>
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      <item>
         <title>1.15.2. 인천택배 위치데이터를 CircleMarker로 표현하기
</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496093919</link>
         <description><![CDATA[<p>import folium</p><p>m = <a rel="noopener noreferrer nofollow" href="http://folium.Map">folium.Map</a>([lat, long], tiles="OpenStreetMap", zoom_start=11)</p><p>for i in cluster_df.index:</p><p>    sub_lat = cluster_df.loc[i, "Latitude"]</p><p>    sub_long = cluster_df.loc[i, "Longitude"]</p><p>    </p><p>    title = cluster_df.loc[i, "cluster"]</p><p>    </p><p>    icon_color = "blue"</p><p>    if cluster_df.loc[i, "cluster"] == 1:</p><p>        icon_color = "purple"</p><p>    elif cluster_df.loc[i, "cluster"] == 2:</p><p>        icon_color = "green"</p><p>    elif cluster_df.loc[i, "cluster"] == 3:</p><p>        icon_color = "orange"    </p><p>    </p><p>    </p><p>    folium.CircleMarker([sub_lat,sub_long ], radius=3, color=icon_color, popup=f'&lt;i&gt;{title}&lt;/i&gt;', tooltip=title).add_to(m)</p><p><a rel="noopener noreferrer nofollow" href="http://m.save">m.save</a>('index1.html')</p><p>m</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/3891444712/27dd42832f7a3a2a64c70fed57f962b0/1_15_2.jpg" />
         <pubDate>2025-06-19 14:49:44 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496093919</guid>
      </item>
      <item>
         <title>1.15.3. 인천택배 위치데이터, 4개의 군집점, 4개의 군집점을 중심으로한 반경 150을 CircleMarker로 표현하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496098770</link>
         <description><![CDATA[<p>m = <a rel="noopener noreferrer nofollow" href="http://folium.Map">folium.Map</a>([lat, long], tiles="OpenStreetMap", zoom_start=11)</p><p>for i in cluster_df.index:</p><p>    sub_lat = cluster_df.loc[i, "Latitude"]</p><p>    sub_long = cluster_df.loc[i, "Longitude"]</p><p>    </p><p>    title = cluster_df.loc[i, "cluster"]</p><p>    </p><p>    icon_color = "blue"</p><p>    if cluster_df.loc[i, "cluster"] == 1:</p><p>        icon_color = "purple"</p><p>    elif cluster_df.loc[i, "cluster"] == 2:</p><p>        icon_color = "green"</p><p>    elif cluster_df.loc[i, "cluster"] == 3:</p><p>        icon_color = "orange"    </p><p>    </p><p>    </p><p>    folium.CircleMarker([sub_lat,sub_long ], radius=3, color=icon_color, popup=f'&lt;i&gt;{title}&lt;/i&gt;', tooltip=title).add_to(m)</p><p>    </p><p>for i in range(len(center)):</p><p>    center_lat = center[i, 0]</p><p>    center_long = center[i, 1]</p><p>    </p><p>       </p><p>    folium.CircleMarker([center_lat,center_long ], color='black', popup='centroids', tooltip='centroids').add_to(m)</p><p>    folium.CircleMarker([center_lat,center_long ], radius=150, color='red', fill='red', popup='KMeans Circle', tooltip='KMeans Circle').add_to(m)</p><p><a rel="noopener noreferrer nofollow" href="http://m.save">m.save</a>('index2.html')</p><p>m</p>]]></description>
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         <pubDate>2025-06-19 14:56:15 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496098770</guid>
      </item>
      <item>
         <title>노인요양시설 위치데이터에 4개의 군집점을 scatterplot 함수로 시각화 결과 이미지 업로드 (Matplotlib 활용)</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496103672</link>
         <description><![CDATA[<ol><li><p>제목 : 학번+이름</p></li><li><p>내용 : 시각화 이미지 스샷</p></li></ol>]]></description>
         <enclosure url="" />
         <pubDate>2025-06-19 15:03:23 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496103672</guid>
      </item>
      <item>
         <title>노인요양시설 위치데이터에 군집화된 결과값을 scatterplot 함수로 시각화 결과 이미지 업로드 (Seaborn 활용)</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496105761</link>
         <description><![CDATA[<ol><li><p>제목 : 학번+이름</p></li><li><p>내용 : 시각화 이미지 스샷</p></li></ol>]]></description>
         <enclosure url="" />
         <pubDate>2025-06-19 15:06:47 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496105761</guid>
      </item>
      <item>
         <title>cluster 개수를 2개, 3개, 4개, 5개, 6개 일때의 클러스터별 평균 실루엣 계수값을 시각화 이미지 업로드</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496106317</link>
         <description><![CDATA[<ol><li><p>제목 : 학번+이름</p></li><li><p>내용 : 시각화 이미지 스샷</p></li></ol>]]></description>
         <enclosure url="" />
         <pubDate>2025-06-19 15:07:35 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496106317</guid>
      </item>
      <item>
         <title>Folium 지도로 시각화 이미지 업로드</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496107336</link>
         <description><![CDATA[<ol><li><p>제목 : 학번+이름</p></li><li><p>내용 : 시각화 이미지 스샷</p></li></ol>]]></description>
         <enclosure url="" />
         <pubDate>2025-06-19 15:09:20 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496107336</guid>
      </item>
      <item>
         <title>노인요양시설 위치데이터를 Folium 지도 CircleMarker로 표현한 이미지 업로드</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496107807</link>
         <description><![CDATA[<ol><li><p>제목 : 학번+이름</p></li><li><p>내용 : 시각화 이미지 스샷</p></li></ol>]]></description>
         <enclosure url="" />
         <pubDate>2025-06-19 15:10:13 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496107807</guid>
      </item>
      <item>
         <title>1.1. 부산 노인요양시설 주소정보를 위도,경도 찾기를 위한 사이킷런 필요 모듈 불러오기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496111341</link>
         <description><![CDATA[<p>import numpy as np</p><p>import pandas as pd</p><p>import matplotlib.pyplot as plt</p><p>%matplotlib inline</p><p># ML 알고리즘 중 k-평균 군집화 알고리즘을 사용하기 위한 모듈</p><p>from sklearn.cluster import KMeans</p><p># 원본 데이터에서 학습 데이터와 테스트 데이터를 분리하기 위한 모듈</p><p>from sklearn.model_selection import train_test_split</p><p># 클러스터 모델 성능 평가를 위해 필요합니다. 즉 실루엣 분석 metric 값을 구하기 위한 모듈</p><p>from sklearn.metrics import silhouette_samples, silhouette_score</p><p># seaborn으로 그래프를 표현하기 위해 seaborn의 라이브러리를 불러옵니다.</p><p>import seaborn as sns</p><p># 한글폰트 사용을 위해 matplotlib의 pyplot을 plt라는 별칭으로 불러옵니다.</p><p>import matplotlib.pyplot as plt</p><p># plt.rc("font", family="AppleGothic")</p><p># plt.rc("font", family="Malgun Gothic")</p><p>plt.rc("font", family="NanumGothic")</p><p># 축에 마이너스 값을 표현하기 위해 필요합니다.</p><p>plt.rc("axes", unicode_minus=False)</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/3891444712/5af3a3f83ae5c3e8693fa687be627687/3_1_1.jpg" />
         <pubDate>2025-06-19 15:15:32 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496111341</guid>
      </item>
      <item>
         <title>1.2. 부산 노인요양시설 주소 데이터 파일(부산노인요양시설주소.csv) 불러온 후 샘플 5개를 출력하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496112910</link>
         <description><![CDATA[<p>df = <a rel="noopener noreferrer nofollow" href="http://pd.read">pd.read</a>_csv('data/부산노인요양시설주소.csv', encoding="euc-kr")</p><p>df.head()</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/3891444712/727b153789e4f6f3fe9b5807000c038d/3_1_2.jpg" />
         <pubDate>2025-06-19 15:17:59 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496112910</guid>
      </item>
      <item>
         <title>1.3. 데이터 프레임의 컬럼명, 데이터 개수, Null 개수, 데이터 타입등의 요약 정보 확인하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496114046</link>
         <description><![CDATA[<p><a rel="noopener noreferrer nofollow" href="http://df.info">df.info</a>()</p>]]></description>
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         <pubDate>2025-06-19 15:19:35 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496114046</guid>
      </item>
      <item>
         <title>2.1. 파이썬 geopy 라이브러리 설치하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496116025</link>
         <description><![CDATA[<p># 라이브러리 설치</p><p>!pip install geopy </p><p># import 라이브러리</p><p>from geopy.geocoders import Nominatim</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/3891444712/43172716b8a2e25256f42bd16cc8c094/3_2_1.jpg" />
         <pubDate>2025-06-19 15:23:08 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496116025</guid>
      </item>
      <item>
         <title>2.2. Nominatim의 경우 전체 도로명 주소를 제대로 받아들이지 못하기 때문에 일부 도로명 주소로 추출하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496118550</link>
         <description><![CDATA[<p>df.head()</p><p><br/></p><p>df["새주소"] = df["주소"].str.split("(", expand=True)[0]</p><p>df.head(3)</p>]]></description>
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         <pubDate>2025-06-19 15:27:29 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496118550</guid>
      </item>
      <item>
         <title>2.3. 주소를 입력 받으면 위도, 경도를 반환하는 함수 정의하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496119562</link>
         <description><![CDATA[<p>def geocoding(address):</p><p>    try:</p><p>        geo_local = Nominatim(user_agent='South Korea')  #지역설정</p><p>        location = geo_local.geocode(address)</p><p>        geo = [location.latitude, location.longitude]</p><p>        return geo</p><p>    except:</p><p>        return [0,0]</p>]]></description>
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         <pubDate>2025-06-19 15:29:28 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496119562</guid>
      </item>
      <item>
         <title>2.4. 정의한 함수를 실행하여 Latitude, Longitude 컬럼명에 변환된 위도, 경도 좌표값을 저장하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496120695</link>
         <description><![CDATA[<p>for id, addr in enumerate(df.새주소):</p><p>    df.loc[id,'Latitude'] = geocoding(addr)[0]</p><p>    df.loc[id,'Longitude'] = geocoding(addr)[1]</p><p><br/></p><p>df.head()</p>]]></description>
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         <pubDate>2025-06-19 15:31:48 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496120695</guid>
      </item>
      <item>
         <title>3. drop()로 데이터 프레임의 데이터 삭제하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496122505</link>
         <description><![CDATA[<p>drop_result = df.drop(['구군', '장기요양기관', '주소', '새주소'], axis=1, inplace=True)</p><p>df.head(3)</p>]]></description>
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         <pubDate>2025-06-19 15:35:15 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496122505</guid>
      </item>
      <item>
         <title>지구표면온도(기후변화) 데이터에 있는 위도, 경도를 10진법으로 변환하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496124593</link>
         <description><![CDATA[<p>import numpy as np</p><p>import pandas as pd</p><p>import matplotlib.pyplot as plt</p><p>%matplotlib inline</p><p># ML 알고리즘 중 k-평균 군집화 알고리즘을 사용하기 위한 모듈</p><p>from sklearn.cluster import KMeans</p><p># 원본 데이터에서 학습 데이터와 테스트 데이터를 분리하기 위한 모듈</p><p>from sklearn.model_selection import train_test_split</p><p># 클러스터 모델 성능 평가를 위해 필요합니다. 즉 실루엣 분석 metric 값을 구하기 위한 모듈</p><p>from sklearn.metrics import silhouette_samples, silhouette_score</p><p># seaborn으로 그래프를 표현하기 위해 seaborn의 라이브러리를 불러옵니다.</p><p>import seaborn as sns</p><p># 한글폰트 사용을 위해 matplotlib의 pyplot을 plt라는 별칭으로 불러옵니다.</p><p>import matplotlib.pyplot as plt</p><p># plt.rc("font", family="AppleGothic")</p><p># plt.rc("font", family="Malgun Gothic")</p><p>plt.rc("font", family="NanumGothic")</p><p># 축에 마이너스 값을 표현하기 위해 필요합니다.</p><p>plt.rc("axes", unicode_minus=False)</p>]]></description>
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         <pubDate>2025-06-19 15:39:20 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496124593</guid>
      </item>
      <item>
         <title>지구표면온도(기후변화) 데이터 파일 불러온 후 샘플 3개를 출력하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496125773</link>
         <description><![CDATA[<p># 파일을 불러와 df 라는 변수에 담습니다.</p><p>df = <a rel="noopener noreferrer nofollow" href="http://pd.read">pd.read</a>_csv("GlobalLandTemperaturesByCity.csv")</p><p>df.head(3)</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/3891444712/51ef7acfd5daa9a5db0039ec98b3ac6b/___2.jpg" />
         <pubDate>2025-06-19 15:41:13 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496125773</guid>
      </item>
      <item>
         <title>데이터 프레임의 컬럼명, 데이터 개수, Null 개수, 데이터 타입등의 요약 정보 확인하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496126762</link>
         <description><![CDATA[<p><a rel="noopener noreferrer nofollow" href="http://df.info">df.info</a>()</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/3891444712/ad2726555cf27b0491792b9073f287fd/___3.jpg" />
         <pubDate>2025-06-19 15:43:13 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496126762</guid>
      </item>
      <item>
         <title>컬럼별 결측치 개수 출력하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496127643</link>
         <description><![CDATA[<p>df.isnull().sum()</p>]]></description>
         <enclosure url="https://padlet-uploads-usc1.storage.googleapis.com/3891444712/1f830cc26bd9caf2188e142f448c88e4/___4.jpg" />
         <pubDate>2025-06-19 15:44:32 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496127643</guid>
      </item>
      <item>
         <title>dropna함수로 결측치가 포함된 행 삭제한 후 확인하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496128487</link>
         <description><![CDATA[<p>df = df.dropna()</p><p>df.isnull().sum()</p>]]></description>
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         <pubDate>2025-06-19 15:46:07 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496128487</guid>
      </item>
      <item>
         <title>위도, 경도를 10진법으로 변환하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496129195</link>
         <description><![CDATA[<p>df.head()</p>]]></description>
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         <pubDate>2025-06-19 15:47:24 UTC</pubDate>
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      <item>
         <title>Latitude(위도)값 중 N는 양의 실수형, S는 음의 실수형으로 변환해서 저장하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496133297</link>
         <description><![CDATA[<p>df["Latitude"].unique()</p><p><br/></p><p>df["위도"] = df["Latitude"].str.replace("N", "+")</p><p>df["위도"] = df["위도"].str.replace("S", "-")</p><p>df.head()</p><p><br/></p><p>df["위도"].unique()</p><p><br/></p><p>m1 = df["위도"].str.endswith('-')</p><p>m2 = df["위도"].str[:-1].astype(float)</p><p>df["위도"] = np.where(m1, -m2, m2)</p><p><br/></p><p>df["위도"].unique()</p>]]></description>
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         <pubDate>2025-06-19 15:55:12 UTC</pubDate>
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      <item>
         <title>Longitude(경도)값 중 E는 양의 실수형, W는 음의 실수형으로 변환해서 저장하기</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3496146710</link>
         <description><![CDATA[<p>df["Longitude"].unique()</p><p><br/></p><p>df["경도"] = df["Longitude"].str.replace("E", "+")</p><p>df["경도"] = df["경도"].str.replace("W", "-")</p><p>df.head()</p><p><br/></p><p>df["경도"].unique()</p><p><br/></p><p>m1 = df["경도"].str.endswith('-')</p><p>m2 = df["경도"].str[:-1].astype(float)</p><p>df["경도"] = np.where(m1, -m2, m2)</p><p><br/></p><p>df["경도"].unique()</p><p><br/></p><p>df.head()</p>]]></description>
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         <pubDate>2025-06-19 16:22:24 UTC</pubDate>
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      <item>
         <title></title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3510810634</link>
         <description><![CDATA[<pre><code>set OMP_NUM_THREADS=2</code></pre>]]></description>
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         <pubDate>2025-07-04 16:26:13 UTC</pubDate>
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         <title></title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3510815595</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-07-04 16:43:11 UTC</pubDate>
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      <item>
         <title></title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3510815655</link>
         <description><![CDATA[]]></description>
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         <title></title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3510815716</link>
         <description><![CDATA[]]></description>
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         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3510815716</guid>
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      <item>
         <title>아나콘다 다운로드</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3510816234</link>
         <description><![CDATA[]]></description>
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         <pubDate>2025-07-04 16:44:51 UTC</pubDate>
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      </item>
      <item>
         <title> pip를 통한 설치</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3510816743</link>
         <description><![CDATA[<p>python --version </p><p><br></p><p> pip install notebook</p>]]></description>
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         <pubDate>2025-07-04 16:45:58 UTC</pubDate>
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      <item>
         <title>방법 3: JupyterLab 설치 (최신 버전)</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3510817091</link>
         <description><![CDATA[<p>conda install -c conda-forge jupyterlab   </p><p>   </p><p>pip install jupyterlab   </p><p><br/></p><p>jupyter lab</p>]]></description>
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      <item>
         <title>글씨체 다운로드</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3511120732</link>
         <description><![CDATA[<p>corbel.ttf</p>]]></description>
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         <pubDate>2025-07-05 11:41:59 UTC</pubDate>
         <guid>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3511120732</guid>
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      <item>
         <title>각 팀의 구성원 소개</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3511121179</link>
         <description><![CDATA[<ol><li><p>제목 : 팀 이름</p></li><li><p>내용 : 팀 구성원 명단</p></li><li><p>구성원의 역할 분담 : 각 구성원별 역할 배정</p></li></ol>]]></description>
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         <pubDate>2025-07-05 11:44:28 UTC</pubDate>
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         <title>파이썬 홈페이지 다운로드</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3511129882</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.python.org/downloads/windows/" />
         <pubDate>2025-07-05 12:23:10 UTC</pubDate>
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         <title>파이썬 설치방법 안내</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3511130591</link>
         <description><![CDATA[<p>▶방법 1 : 파이썬 + cmd 모듈</p><p>▶방법 2 : 아나콘다 + Jupytor</p><p>▶방법 3 : 코랩</p>]]></description>
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         <pubDate>2025-07-05 12:25:56 UTC</pubDate>
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         <title>디싹 중고등 사전 설문조사</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3511145153</link>
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         <title>디싹 중고등 사후 설문조사</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3511145344</link>
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         <title>디싹 중고등 사전 설문조사</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3511145745</link>
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         <title>디싹 중고등 사후 설문조사</title>
         <author>pshlyn_G</author>
         <link>https://padlet.com/pshlyn_G/wjjx22lbksur6den/wish/3511145984</link>
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