How to Create Dummy Variables in SPSS? By Ruben Geert van den Berg under Regression You can’t readily use categorical variables as predictors in linear regression: you need to break them up into dichotomous variables known as dummy variables.The ideal way to create these is our dummy variables tool. If you don’t want to use
Clustered Bar Chart over Multiple Variables By Ruben Geert van den Berg under Charts in SPSS Example Data VARSTOCASES without VARSTOCASES Restructuring the Data SPSS Chart Builder – Basic Steps Final Result This tutorial shows how to create the clustered bar chart shown below in SPSS. As this requires restructuring our data, we’ll first do
How to Convert String Variables into Numeric Ones? By Ruben Geert van den Berg under SPSS Blog Introduction & Practice Data File Converting an SPSS string variable into a numeric one is simple. However, there’s a huge pitfall that few people are aware of: string values that can’t be converted into numbers result in system
Sort Variables in SPSS with Python By Ruben Geert van den Berg under SPSS Python Basics We held a reaction time experiment in which people had to resolve 20 puzzles as fast as possible. The 20 answers and reactions times are in an SPSS data file which we named trials.sav. Part of if is shown
SPSS Clone Variables Tool By Ruben Geert van den Berg under SPSS Tools Some SPSS commands such as RECODE and ALTER TYPE can make irreversible changes to variables. Before using these, I like to clone the variables that I’m about to edit. This allows me to compare the edited to the original versions. This tutorial