Rossi.RdThis data set is originally from Rossi et al. (1980), and is used as an example in Allison (1995). The data pertain to 432 convicts who were released from Maryland state prisons in the 1970s and who were followed up for one year after release. Half the released convicts were assigned at random to an experimental treatment in which they were given financial aid; half did not receive aid.
RossiA data frame with 432 observations on the following 62 variables.
weekweek of first arrest after release or censoring; all censored observations are censored at 52 weeks.
arrest1 if arrested, 0 if not arrested.
finfinancial aid: no yes.
agein years at time of release.
raceblack or other.
wexpfull-time work experience before incarceration: no or yes.
marmarital status at time of release: married or not married.
paroreleased on parole? no or yes.
prionumber of convictions prior to current incarceration.
educlevel of education: 2 = 6th grade or less;
3 = 7th to 9th grade; 4 = 10th to 11th grade;
5 = 12th grade; 6 = some college.
emp1employment status in the first week after release: no or yes.
emp2as above.
emp3as above.
emp4as above.
emp5as above.
emp6as above.
emp7as above.
emp8as above.
emp9as above.
emp10as above.
emp11as above.
emp12as above.
emp13as above.
emp14as above.
emp15as above.
emp16as above.
emp17as above.
emp18as above.
emp19as above.
emp20as above.
emp21as above.
emp22as above.
emp23as above.
emp24as above.
emp25as above.
emp26as above.
emp27as above.
emp28as above.
emp29as above.
emp30as above.
emp31as above.
emp32as above.
emp33as above.
emp34as above.
emp35as above.
emp36as above.
emp37as above.
emp38as above.
emp39as above.
emp40as above.
emp41as above.
emp42as above.
emp43as above.
emp44as above.
emp45as above.
emp46as above.
emp47as above.
emp48as above.
emp49as above.
emp50as above.
emp51as above.
emp52as above.
Allison, P.D. (1995). Survival Analysis Using the SAS System: A Practical Guide. Cary, NC: SAS Institute.
Rossi, P.H., R.A. Berk, and K.J. Lenihan (1980). Money, Work, and Crime: Some Experimental Results. New York: Academic Press.
John Fox, Marilia Sa Carvalho (2012). The RcmdrPlugin.survival Package: Extending the R Commander Interface to Survival Analysis. Journal of Statistical Software, 49(7), 1-32.
summary(Rossi)
#> week arrest fin age race
#> Min. : 1.00 Min. :0.0000 no :216 Min. :17.0 black:379
#> 1st Qu.:50.00 1st Qu.:0.0000 yes:216 1st Qu.:20.0 other: 53
#> Median :52.00 Median :0.0000 Median :23.0
#> Mean :45.85 Mean :0.2639 Mean :24.6
#> 3rd Qu.:52.00 3rd Qu.:1.0000 3rd Qu.:27.0
#> Max. :52.00 Max. :1.0000 Max. :44.0
#> wexp mar paro prio educ
#> no :185 married : 53 no :165 Min. : 0.000 Min. :2.000
#> yes:247 not married:379 yes:267 1st Qu.: 1.000 1st Qu.:3.000
#> Median : 2.000 Median :3.000
#> Mean : 2.984 Mean :3.477
#> 3rd Qu.: 4.000 3rd Qu.:4.000
#> Max. :18.000 Max. :6.000
#> emp1 emp2 emp3 emp4 emp5 emp6 emp7
#> no :372 no :317 no :293 no :274 no :258 no :250 no :249
#> yes: 60 yes :114 yes :137 yes :155 yes :170 yes :177 yes :177
#> NA's: 1 NA's: 2 NA's: 3 NA's: 4 NA's: 5 NA's: 6
#>
#>
#>
#> emp8 emp9 emp10 emp11 emp12 emp13 emp14
#> no :250 no :237 no :222 no :224 no :225 no :222 no :231
#> yes :175 yes :183 yes :196 yes :193 yes :190 yes :191 yes :181
#> NA's: 7 NA's: 12 NA's: 14 NA's: 15 NA's: 17 NA's: 19 NA's: 20
#>
#>
#>
#> emp15 emp16 emp17 emp18 emp19 emp20 emp21
#> no :226 no :225 no :216 no :209 no :204 no :206 no :200
#> yes :183 yes :182 yes :189 yes :193 yes :195 yes :191 yes :192
#> NA's: 23 NA's: 25 NA's: 27 NA's: 30 NA's: 33 NA's: 35 NA's: 40
#>
#>
#>
#> emp22 emp23 emp24 emp25 emp26 emp27 emp28
#> no :195 no :197 no :204 no :192 no :187 no :183 no :179
#> yes :195 yes :192 yes :184 yes :192 yes :194 yes :195 yes :197
#> NA's: 42 NA's: 43 NA's: 44 NA's: 48 NA's: 51 NA's: 54 NA's: 56
#>
#>
#>
#> emp29 emp30 emp31 emp32 emp33 emp34 emp35
#> no :181 no :187 no :183 no :183 no :181 no :185 no :181
#> yes :193 yes :187 yes :189 yes :188 yes :188 yes :182 yes :184
#> NA's: 58 NA's: 58 NA's: 60 NA's: 61 NA's: 63 NA's: 65 NA's: 67
#>
#>
#>
#> emp36 emp37 emp38 emp39 emp40 emp41 emp42
#> no :176 no :180 no :175 no :173 no :173 no :167 no :170
#> yes :185 yes :178 yes :179 yes :180 yes :178 yes :180 yes :177
#> NA's: 71 NA's: 74 NA's: 78 NA's: 79 NA's: 81 NA's: 85 NA's: 85
#>
#>
#>
#> emp43 emp44 emp45 emp46 emp47 emp48 emp49
#> no :166 no :164 no :162 no :160 no :155 no :154 no :158
#> yes :179 yes :177 yes :177 yes :177 yes :178 yes :178 yes :172
#> NA's: 87 NA's: 91 NA's: 93 NA's: 95 NA's: 99 NA's:100 NA's:102
#>
#>
#>
#> emp50 emp51 emp52
#> no :158 no :156 no :156
#> yes :167 yes :166 yes :166
#> NA's:107 NA's:110 NA's:110
#>
#>
#>