how to create contrast between spss and stata how to compare time points with contrast can you use stata or spss as contrasts can you compare time points using spss how to create contrast spss why is stata used for time points can you use the stata contrast in spss? can you add contrasts in spss how do you test the contrast using spss data how to compare spss and stata can you make contrasts in stata or spss how to model contrast in stata and spss what is the difference between the contrasts in spss and stata? what is contrast in spss/stata how many time points is a contrast how many time points are in a spss test what is the difference between spss and stata which time points are used for repeated measures in spss or statistica? how to model contrasts in glm vs spss how to compare contrasts with sposs