Finding & Excluding Outliers in SPSS III - Z-Scores
SPSS tutorials SPSS tutorials
1.25K subscribers
171 views
5

 Published On Sep 30, 2024

DESCRIPTION:

If you're going to analyze quantitative variables, you should always screen them for outliers first.

A popular option for doing so is inspecting z-scores.

So in this SPSS beginners video, I'll cover

-the fast and easy way to add z-scores to your data in SPSS,
-how to quickly evaluate which variables contain outliers
-the correct way for finding and excluding these outliers from your data analyses
-a nice bonus trick for doing the above even faster.

Hope it helps!


TIMESTAMPS:

00:28 what are outliers and what to do with them?
03:20 precisely what are z-scores anyway?
04:16 why compute z-scores?
04:48 rule of thumb: |z| greater than 3.29 indicates an outlier
05:54 finding z-scores in SPSS
08:04 screening z-scores for outliers
11:51 exclude outliers from data analyses with MISSING VALUES
22:12 bonus trick: find outliers with TEMPORARY


RESOURCES:

Written version: https://www.spss-tutorials.com/spss-f...
Download example data file from: https://www.spss-tutorials.com/downlo...
Download final syntax file from: https://www.spss-tutorials.com/downlo...
SPSS syntax introduction: https://www.spss-tutorials.com/spss-s...


FOLLOW US:

Complete SPSS beginners course on Udemy: https://tinyurl.com/spss-beginners-co...
Official website: https://www.spss-tutorials.com/
YouTube:    / @spss-tutorials  
LinkedIn:   / spss-tutorials  
Facebook:   / spss.tutorials.website  

#spss #statistics #dataanalysis

show more

Share/Embed