TR2/25 PY3101 Revision Workshop Q&A by Sophia Navales https://padlet.com/navalessg/dj15ez61x1s6s0nq en-us 2025-08-10 06:36:07 UTC 2025-08-12 15:45:21 UTC hello@padlet.com Green = Answered; Yellow = In progress navalessg https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3539258435 2025-08-10 06:36:28 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3539258435 https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541121032 what does it mean if a factor only has a single item? Why do we omit a factor if it is like that?

]]> 2025-08-12 06:01:17 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541121032 Question on slides https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541121761 Where can I find the slides used today?

]]> 2025-08-12 06:02:33 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541121761 https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541127279 Can you repeat statistically what the difference is between uni and multidimensional scales?

]]> 2025-08-12 06:10:18 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541127279 https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541143361 what is something you wished you added on your cheatsheet while doing the exam? or smth important to add that many people often forget

]]> 2025-08-12 06:29:53 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541143361 https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541150605 the part on mahalanobis distance for multiple/hierarchal regression, how common will outliers occur for us to report this? a bit confused about this as it wasn't really emphasised in tutorials

]]> 2025-08-12 06:39:30 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541150605 https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541171081 when reporting the cox & snell or nagelkerke r2, is it okay to report both in a range?


for example, "the model explained a range of variance between 24% (Cox & Snell r2) and 33% (nagelkerke r2) in heart disease"

]]> 2025-08-12 07:00:11 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541171081 https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541175973 for the logistic regression example question, why did student A still not get full marks for part 4, even though they did better

]]> 2025-08-12 07:05:08 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541175973 Can you explain the Communalities table in Factor analysis again https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541176355 2025-08-12 07:05:27 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541176355 Is two decimal places the standard for all reporting? https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541176452 2025-08-12 07:05:33 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541176452 Factor analysis: What is the difference betw the initial and extracted values. How to see the factor variance? https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541177053 2025-08-12 07:05:58 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541177053 Can you explain the Linear regression graphs again https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541178954 2025-08-12 07:06:59 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541178954 Zeke https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541179218 When and how do we use rotation for FA?

]]> 2025-08-12 07:07:16 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541179218 For the differences between correlation and regression: Correlation is single data point, so does that mean that it is just the association between 2 items vs Regression it's for many items? https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541181591 2025-08-12 07:09:31 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541181591 Can u pls explain more on the mahalanobis part? https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541183979 2025-08-12 07:12:53 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541183979 Can you pls explain for the Logistic regression, those cases that are more than 2 categories (not sure if I got that correct). How to report and how to read https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541184183 2025-08-12 07:13:12 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541184183 https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541184658 Will you be sending the slides out so we can put it in the cheat sheet?

]]> 2025-08-12 07:13:58 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541184658 For Multicollinearity, other than using Tolerance and VIF, can we use the correlation matrix table? https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541185344 2025-08-12 07:14:58 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541185344 Zeke https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541191504 So if we are given non rotated and rotated table, when do we decide which table to use?

]]> 2025-08-12 07:21:46 UTC https://padlet.com/navalessg/dj15ez61x1s6s0nq/wish/3541191504