Timing exercise {epicalc}R Documentation

Dataset on time going to bed, waking up and arrival at a workshop

Description

This dataset came from an interview survey on the workshop attendants on 2004-12-14.

Note that the date of bed time is 2004-12-13 if the respondent went to bed before midnight.

Usage

data(Timing)

Format

A data frame with 18 observations on the following 11 variables.

id
a numeric vector
gender
a factor with levels male female
age
a numeric vector
marital
a factor with levels single married others
child
a numeric vector indicating number of children
bedhr
a numeric vector indicating the hour of going to bed
bedmin
a numeric vector indicating the minute of going to bed
wokhr
a numeric vector indicating the hour of waking up
wokmin
a numeric vector indicating the minute of waking up
arrhr
a numeric vector indicating the hour of arrival at the workshop
arrmin
a numeric vector indicating the minute of arrival at the workshop

Examples

data(Timing)
use(Timing)
des()
arrival.time <- ISOdatetime(year=2004, month=12, day=14, hour=arrhr,
	min=arrmin, sec=0)
summ(arrival.time, by= gender)

[Package epicalc version 2.10.1.1 Index]