TOTVar: Time on task variable

In derecost/LOGAN: Log File Analysis in International Large-Scale Assessments

Description

This is a function that reports the number of students and a summary of time on task aggregated by a specific variable.

Usage

TOTVar(data, starttime.vec, endtime.vec, divBy = NA, tot.var)

Arguments

data	A matrix or data.frame
starttime.vec	a vector with the individuals' identifications. It is a quo() type.
endtime.vec	a vector with the group variable. It is a quo() type.
divBy	a vector with the group variable. It is a quo() type.
tot.var	string containing the name of the output variable

Value

This function returns a data.frame with the number of students and number de actions (min-max) aggregated by a specific variable.

Examples

m1$TOTVar(cp025q01.treated, "CP025Q01.START", "CP025Q01.END", divBy = 60,
          tot.var = "CP025Q01.TOT")

derecost/LOGAN documentation built on June 19, 2020, 6:40 p.m.