Categorical variables can't readily be used as predictors in regression analysis; they must be split up into dichotomous variables known as “dummy variables”.
This tutorial offers a super easy tool for creating these.
"I'd like to mean center a lot of variables in order to compute interaction terms for a regression analysis. Is there an easy way to do this for many variables simultaneously?"
This simple SPSS tool creates one, many or all scatterplots among a set of variables.
Optionally, it adds (non)linear fit lines and regression tables as well.
This tutorials presents a super simple tool for
over value labels and/or variable labels.
SPSS doesn't offer an easy way to set decimal places for output tables. This tutorial proposes a very simple tool for setting decimal places in basic output tables after they've been produced.
SPSS Z-Test and Confidence Intervals for 2 Independent Proportions Tool. Freely downloadable and easy to use from the menu.
This z-test compares separate sample proportions to a hypothesized population proportion. This tool is freely downloadable and super easy to use.