R: data from Section 1.12

std {KMsurv} | R Documentation

## data from Section 1.12

### Description

The `std` data frame has 877 rows and 3 columns.

### Format

This data frame contains the following columns:

obs

  Observation number

race

  Race (W=white, B=black)

marital

  Marital status (D=divorced / separated, M=married, S=single)

age

  AGE

yschool

  Years of schooling

iinfct

  Initial infection (1= gonorrhea, 2=chlamydia, 3=both)

npartner

  Number of partners

os12m

  Oral sex within 12 months (1=yes, 0=no)

os30d

  Oral sex within 30 days (1=yes, 0=no)

rs12m

  Rectal sex within 12 months (1=yes, 0=no)

rs30d

  Rectal sex within 30 days (1=yes, 0=no)

abdpain

  Presence of abdominal pain (1=yes, 0=no)

discharge

  Sign of discharge (1=yes, 0=no)

dysuria

  Sign of dysuria (1=yes, 0=no)

condom

  Condom use (1=always, 2=sometime, 3=never)

itch

  Sign of itch (1=yes, 0=no)

lesion

  Sign of lesion (1=yes, 0=no)

rash

  Sign of rash (1=yes, 0=no)

lymph

  Sign of lymph (1=yes, 0=no)

vagina

  Involvement vagina at exam (1=yes, 0=no)

dchexam

  Discharge at exam (1=yes, 0=no)

abnode

  Abnormal node at exam (1=yes, 0=no)

rinfct

  Reinfection (1=yes, 0=no)

time

  Time to reinfection

### Source

Klein and Moeschberger (1997) Survival Analysis Techniques for Censored and truncated data, Springer.

### Examples

    data(std)

[Package KMsurv version 0.1-5 Index]