vertical format

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    longitudinal dataset (vertical format): create tree diagram of change at timepoints

    Hello friends, I have a very complex syntax question I believe may even stump the very best of you! I have a longitudinal dataset measuring depression level on a 3 level scale (none, moderate, severe). The dataset is currently in vertical or 'stacked' format. I am to create a tree...
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    Vertical-Format longitudinal dataset: Fill in missing values for cases

    Hi all, I am running some growth curve analysis in SPSS. My data is in the vertical/stacked format. There are 6 entries for each person since we measures six points in time. HOWEVER, my model won't run because there is too much missing data. This is because for the demographic data...