Description Usage Format Source References
A sample of 432 inmates released from Maryland state prisons followed for one year after release \insertCiteRossi_1980penPHcure. The aim of this study was to investigate the relationship between the time to first arrest after release and some covariates observed during the follow-up period. Most of the variables are constant over time, except one binary variable denoting whether the individual was working full time during the follow-up period.
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A data.frame
in counting process format with 1405 observations for 432 individuals on the following 13 variables.
id
integer. Identification code for each individual.
tstart
, tstop
]integers. Time interval of the observation (in weeks). Observation for each individual start after the first release.
arrest
factor with 2 levels ("no", "yes"). Denote whether the individual has been arrested during the 1 year follow-up period or not.
fin
factor with 2 levels ("no", "yes"). Denote whether the inmate received financial aid after release.
age
integer. Age in years at the time of release.
race
factor with 2 levels ("black", "other"). Denote whether the race of the individual is black or not.
wexp
factor with 2 levels ("no", "yes"). Denote whether the individual had full-time work experience before incarceration or not.
mar
factor with 2 levels ("yes", "no"). Denote whether the inmate was married at the time of release or not.
paro
factor with 2 levels ("no", "yes"). Denote whether the inmate was released on parole or not.
prio
integer. The number of convictions an inmate had prior to incarceration.
educ
factor with 3 levels ("3", "4", "5"). Level of education:
"3": <=9th degree;
"4": 10th or 11th degree; and
"5": >=12 degree.
emp
factor with 2 levels ("no", "yes"). Denote whether the individual was working full time during the observed time interval.
The Rossi
dataset in the RcmdrPlugin.survival
package \insertCiteRcmdrPlugin.survivalpenPHcure is the source of these data, which have been converted into counting process format.
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