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This is a function that reports the number of students and a summary of time on task aggregated by a specific variable.
TOTVar(data, starttime.vec, endtime.vec, divBy = NA, tot.var)
This function returns a data.frame with the number of students and number de actions (min-max) aggregated by a specific variable.
data.frame
A matrix or data.frame
matrix
a vector with the individuals' identifications. It is a quo() type.
quo()
a vector with the group variable. It is a quo() type.
string containing the name of the output variable
m1$TOTVar(cp025q01.treated, "CP025Q01.START", "CP025Q01.END", divBy = 60, tot.var = "CP025Q01.TOT" )
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