A sample of 432 inmates released from Maryland state prisons followed for one year after release Rossi_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.
cpRossidata(cpRossi,package="penPHcure")
A data.frame in counting process format with 1405 observations for 432 individuals on the following 13 variables.
idinteger. Identification code for each individual.
tstart, tstop]integers. Time interval of the observation (in weeks). Observation for each individual start after the first release.
arrestfactor with 2 levels ("no", "yes"). Denote whether the individual has been arrested during the 1 year follow-up period or not.
finfactor with 2 levels ("no", "yes"). Denote whether the inmate received financial aid after release.
ageinteger. Age in years at the time of release.
racefactor with 2 levels ("black", "other"). Denote whether the race of the individual is black or not.
wexpfactor with 2 levels ("no", "yes"). Denote whether the individual had full-time work experience before incarceration or not.
marfactor with 2 levels ("yes", "no"). Denote whether the inmate was married at the time of release or not.
parofactor with 2 levels ("no", "yes"). Denote whether the inmate was released on parole or not.
priointeger. The number of convictions an inmate had prior to incarceration.
educfactor with 3 levels ("3", "4", "5"). Level of education:
"3": <=9th degree;
"4": 10th or 11th degree; and
"5": >=12 degree.
empfactor with 2 levels ("no", "yes"). Denote whether the individual was working full time during the observed time interval.