Wooldridge Source: C.-F. Chung, P. Schmidt, and A.D. Witte (1991), “Survival Analysis: A Survey,” Journal of Quantitative Criminology 7, 59-98. Professor Chung kindly provided the data. Data loads lazily.
data('recid')A data.frame with 1445 observations on 18 variables:
black: =1 if black
alcohol: =1 if alcohol problems
drugs: =1 if drug history
super: =1 if release supervised
married: =1 if married when incarc.
felon: =1 if felony sentence
workprg: =1 if in N.C. pris. work prg.
property: =1 if property crime
person: =1 if crime against person
priors: # prior convictions
educ: years of schooling
rules: # rules violations in prison
age: in months
tserved: time served, rounded to months
follow: length follow period, months
durat: min(time until return, follow)
cens: =1 if duration right censored
ldurat: log(durat)
https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&product_isbn_issn=9781111531041
pages 611-612, 625
str(recid)
#> 'data.frame': 1445 obs. of 18 variables:
#> $ black : int 0 1 0 0 0 1 1 1 0 1 ...
#> $ alcohol : int 1 0 0 0 0 0 1 0 0 0 ...
#> $ drugs : int 0 0 0 1 1 0 0 0 0 0 ...
#> $ super : int 1 1 0 1 1 1 1 1 1 1 ...
#> $ married : int 1 0 0 0 0 0 0 0 1 1 ...
#> $ felon : int 0 1 0 1 0 0 0 1 0 1 ...
#> $ workprg : int 1 1 1 1 0 1 0 1 0 1 ...
#> $ property: int 0 1 1 1 0 0 0 1 0 0 ...
#> $ person : int 0 0 0 0 0 0 0 0 0 0 ...
#> $ priors : int 0 0 0 2 0 1 0 2 2 0 ...
#> $ educ : int 7 12 9 9 9 12 12 10 10 11 ...
#> $ rules : int 2 0 5 3 0 0 2 3 0 2 ...
#> $ age : int 441 307 262 253 244 277 327 314 388 430 ...
#> $ tserved : int 30 19 27 38 4 13 28 34 14 32 ...
#> $ follow : int 72 75 81 76 81 79 73 73 73 73 ...
#> $ durat : int 72 75 9 25 81 79 73 73 54 60 ...
#> $ cens : int 1 1 0 0 1 1 1 1 0 0 ...
#> $ ldurat : num 4.28 4.32 2.2 3.22 4.39 ...
#> - attr(*, "time.stamp")= chr "25 Jun 2011 23:03"