std | R Documentation |
The std
data frame has 877 rows and 3 columns.
This data frame contains the following columns:
Observation number
Race (W=white, B=black)
Marital status (D=divorced / separated, M=married, S=single)
AGE
Years of schooling
Initial infection (1= gonorrhea, 2=chlamydia, 3=both)
Number of partners
Oral sex within 12 months (1=yes, 0=no)
Oral sex within 30 days (1=yes, 0=no)
Rectal sex within 12 months (1=yes, 0=no)
Rectal sex within 30 days (1=yes, 0=no)
Presence of abdominal pain (1=yes, 0=no)
Sign of discharge (1=yes, 0=no)
Sign of dysuria (1=yes, 0=no)
Condom use (1=always, 2=sometime, 3=never)
Sign of itch (1=yes, 0=no)
Sign of lesion (1=yes, 0=no)
Sign of rash (1=yes, 0=no)
Sign of lymph (1=yes, 0=no)
Involvement vagina at exam (1=yes, 0=no)
Discharge at exam (1=yes, 0=no)
Abnormal node at exam (1=yes, 0=no)
Reinfection (1=yes, 0=no)
Time to reinfection
Klein and Moeschberger (1997) Survival Analysis Techniques for Censored and truncated data, Springer.
data(std)
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