New year and new commands. This is new in the menus, I have used something called “Lag” Before. Here is the file with sales result per month, I will shift values 2 steps forward in [...]

If you want to calculate time between 2 dates or time-variables then you can use the easy-to-use command : Transform – Date & Time Wizard. Here is an example, it’s the same data [...]

Hi, many times (specially during my Statistical trainings), user ask me why they could find 2 different commands for chi-Square test (or chi2-test). The reason is that there is one chi-Square [...]

Hi, this blog post will be a preparation for my blog post on Friday – about making a pairwise test. I have as you see a measurement of stress before and after a treatment period, for each [...]

Hi, if you want to test if the frequency distribution differs between groups in a crosstable you can use the most common statistical test called chi2-test or [...]