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This is a function that transforms a factor var time in numeric.
NumericTimeVar(data, vector.time)
This function returns a data.frame
with the number of students
and number de actions (min-max) aggregated by a specific variable.
A matrix
or data.frame
variable containing the time
vector.time <- c("CP025Q01.END", "CP025Q01.START")
m1$NumericTimeVar(cp025q01.treated, vector.time)
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