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st: frequencies time series
Does anyone know how to write the frequencies of a certain categorial
variable within a specific timerange into a new vaiable.
I got a trichotomous variable (yes, no, no answer)with up to 7
observations per week. Now I want to write the frequencies of each
value in a new variable within that specific week, which I idetified in
a date variable. How can I do this?
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