Description Usage Format Source References Examples
data from an experimental study of recidivism of 432 male prisoners, who were observed for a year after being released from prison.
1 | data("rossi")
|
A data frame with 432 observations on the following 62 variables.
week
week of first arrest after release, or censoring time
arrest
the event indicator, equal to 1 for those arrested during the period of the study and 0 for those who were not arrested.
fin
a factor, with levels yes
if the individual received financial aid after release from prison, and no
if he did not; financial aid was a randomly assigned factor manipulated by the researchers.
age
in years at the time of release.
race
a factor with levels black
other
wexp
a factor with levels yes
if the individual had full-time work experience prior to incarceration and no
if he did not.
mar
a factor with levels married
not married
paro
a factor coded yes
if the individual was released on parole and no
if he was not.
prio
number of prior convictions.
educ
education, a categorical variable coded numerically, with codes 2
(grade 6 or less), 3
(grades 6 through 9), 4
(grades 10 and 11), 5
(grade 12), or 6
(some post-secondary).
emp1
emp1 - emp52
are factors coded yes
if the individual was employed in the corresponding week of the study and no
otherwise.
emp2
a factor with levels no
yes
emp3
a factor with levels no
yes
emp4
a factor with levels no
yes
emp5
a factor with levels no
yes
emp6
a factor with levels no
yes
emp7
a factor with levels no
yes
emp8
a factor with levels no
yes
emp9
a factor with levels no
yes
emp10
a factor with levels no
yes
emp11
a factor with levels no
yes
emp12
a factor with levels no
yes
emp13
a factor with levels no
yes
emp14
a factor with levels no
yes
emp15
a factor with levels no
yes
emp16
a factor with levels no
yes
emp17
a factor with levels no
yes
emp18
a factor with levels no
yes
emp19
a factor with levels no
yes
emp20
a factor with levels no
yes
emp21
a factor with levels no
yes
emp22
a factor with levels no
yes
emp23
a factor with levels no
yes
emp24
a factor with levels no
yes
emp25
a factor with levels no
yes
emp26
a factor with levels no
yes
emp27
a factor with levels no
yes
emp28
a factor with levels no
yes
emp29
a factor with levels no
yes
emp30
a factor with levels no
yes
emp31
a factor with levels no
yes
emp32
a factor with levels no
yes
emp33
a factor with levels no
yes
emp34
a factor with levels no
yes
emp35
a factor with levels no
yes
emp36
a factor with levels no
yes
emp37
a factor with levels no
yes
emp38
a factor with levels no
yes
emp39
a factor with levels no
yes
emp40
a factor with levels no
yes
emp41
a factor with levels no
yes
emp42
a factor with levels no
yes
emp43
a factor with levels no
yes
emp44
a factor with levels no
yes
emp45
a factor with levels no
yes
emp46
a factor with levels no
yes
emp47
a factor with levels no
yes
emp48
a factor with levels no
yes
emp49
a factor with levels no
yes
emp50
a factor with levels no
yes
emp51
a factor with levels no
yes
emp52
a factor with levels no
yes
This version of the dataset is used and made available in the paper "Cox proportional hazards regression for survival data in R", J Fox and S Weisberg, 2011,
Data originally used in Rossi, P.H., R.A. Berk, and K.J. Lenihan (1980). Money, Work, and Crime: Some Experimental Results. New York: Academic Press.
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