trimtime: Trim student records to certain year intervals

In dankelley/srs: Student Records System

Description

Trim student records to certain year intervals

Usage

trimtime(x, start.times, stop.times)

Arguments

x	An srs object.
start.times	A list of start-years, one per student. Grades earlier than this year will be discarded.
stop.times	A list of top-years. (If empty, the stop year is taken to be far in the future.)

Details

This is useful for e.g. trimming undergraduate grades from a record.

Value

An sr object containing information about students.

Author(s)

Dan Kelley [e-mail]

See Also

subset.srs

Examples

library(srs)
data(srs)
summary(srs)
x <- trimtime(srs, start.times=c(2001,2001))
summary(x)

dankelley/srs documentation built on May 14, 2019, 6:04 p.m.