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Hallo I fited a 3 level model (level 1: time level, level 2: individual level, level 3: class level) for a longitudinal study with random slopes. The gains over time vary on class and on individual level. Unfortunaly i get the following error message after calculating the model concerning the 2*logl...

Hallo I have a problem concerning the reference category of variables. Depending on wether I choose a low ore a high reference category, the slope changes after calculating. We have a big sample of 1100 students and we want to show graphs that are representative for all of the students. But in the s...

Hallo Chris Thank you for your help! I tried to order the variables under "Data Manipulation"- "Sort" by identification number. If I press "Execute", the following error message appears: "command line longer than 10000 characters- command ignored". Thank you a...

Dear Chris Thank you for your reply. The variable that I want to include comes from an SPSS dataset. If I add new variables in an existing SPSS file, I can choose a "key variable" like for example "identification number of a student" and the data will be ordered according to the ...

Hallo I have a problem concerning the reference category of categorical variables. Normally I take a low reference category to fit the model. I observed that the intercept changes in function of the reference category I putted to the model. I also observed that if I take the lowest reference categor...

I have a MLwin dataset in which I already fixed a model under "Equations" and where I made calculations. Now I want to add a new variable to the model, which isn't included in my dataset. As I know, it is not possible to import a new variable into an existing dataset. So I created a new da...