One of the most common research questions is do different groups have different mean scores on some variable? This question is best answered in 3 steps: create a table showing mean scores per group -you’ll probably want to include the frequencies and standard deviations as well; create a chart showing mean scores per group; run some statistical test –ANOVA in this case. However, this […]
In some cases, ALTER TYPE in SPSS version 24 seems to report incorrect altered values when converting a string to a numeric value. This results in messed up data while SPSS reports that everything is fine. Let’s try and replicate the problem with the example below. Example We imported some .csv data in which some numeric values were flagged with an “a”. This indicates […]
The right way for looping over tables, charts and other procedures in SPSS is with Python. We’ll show how to do so on some real world examples. We’ll use alcotest.sav throughout, part of which is shown below. Note that you need to have the SPSS Python Essentials properly installed for running these examples on your own computer. Example 1: Simple Loop over Bar […]
