SummaryTOTbyVar: Summary of time on task by var

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

SummaryTOTbyVar(data, tot.var, performance.item, na.rm = FALSE)

Arguments

data	A matrix or data.frame
tot.var	a vector with the time on task.
performance.item	a vector with the group variable. It is a quo() type.
na.rm	remove missing data in 'performance.item'? Default is 'FALSE'

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$SummaryTOTbyVar(cp025q01.treated, "CP025Q01.TOT", "CP025Q01", TRUE)

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