Search Results
Search type | Search syntax |
---|---|
Tags | [tag] |
Exact | "words here" |
Author |
user:1234 user:me (yours) |
Score |
score:3 (3+) score:0 (none) |
Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
Views | views:250 |
Code | code:"if (foo != bar)" |
Sections |
title:apples body:"apples oranges" |
URL | url:"*.example.com" |
Saves | in:saves |
Status |
closed:yes duplicate:no migrated:no wiki:no |
Types |
is:question is:answer |
Exclude |
-[tag] -apples |
For more details on advanced search visit our help page |
A composite score is a single score that represents a combination of information from either multiple variables or multiple data points.
9
votes
Likert scale based composite variables
There are two ways you can take: (1) just use the sums of scores, (2) use an Item Response Theory (IRT) based method. Using sums of raw scores is very common in social sciences but many psychometricia …
1
vote
Re-scaling variable - Mean equal to 100
What you describe doesn’t sound like scaling but centering. If you subtract the mean from all the samples, their mean would become zero. To convince yourself, try it yourself
$$
0 = \frac{1}{n} \sum_{ …