Timing exercise {epicalc} | R Documentation |
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.
data(Timing)
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
data(Timing) use(Timing) des() arrival.time <- ISOdatetime(year=2004, month=12, day=14, hour=arrhr, min=arrmin, sec=0) summary(arrival.time, by= gender)