### Tips – difference between factor and cluster analysis

Last week someone asked me about the difference between factor- and cluster analysis? Here is my answer, that is normally the case: Factor analysis is a help to group variables. Cluster analysis [...]

### Nonparametric test Mann Whitney U

If you have a numeric variable like salary that you would like to compare with a test between 2 groups say male and females, you might think of using t-test. But there are rules for every [...]

### Note – Launch of IBM SPSS Statistics Version 26

Now it’s here – version 26 of IBM SPSS Statistics in our CSCS solution. You need an authorization code to get it to work. Most focus in this release has been : new statistical [...]

### Statistics – training in SPSS and methods

I talked to a SPSS user that was really frustrated, because she searched for method to her study and had googled around and found so much statistical information on the web and movies with SPSS [...]

### The forgotten statistics – Explore

I have a feeling sometimes that many user miss the informative command: Analyze – Descriptive statistics – Explore. This command, I have put some focus on during my statistical [...]

### Statistics – correspondence analysis

This analysis is popular in market research, but I can see a value to use it in healthcare also. So instead of showing a frequency crosstable, you can show a type of map between 2 variables. In [...]

### Statistics – Boxplot how to understand it

Hi, many times during seminar/workshops/trainings I met some users that has not seen/used boxplot before and don’t know how to use or understand them. So let me take you into the boxplot [...]

### Statistics – Count specific values among many variables

Hi, A rather new and not familiar command is the one that can Count in several columns for each individual. In my example I will Count how many code 1 is found in the 5 attitude variables [...]

### Statistics – fast pop up menu in column head

Hi, this is last post before Christmas and I will continue the 7th of January again. Did you know that you have some fast commands directly in the data window? You just right click the variables [...]

### Statistics – take a random sample

Hi, I got the question how to take a random sample from a data file. The simplest way is to do this: First use the command: Data – Select Cases Then click this choice and click on [...]

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