nwtsco: Dataset from the National Wilms Tumor Study (NWTS)
In addhazard: Fit Additive Hazards Models for Survival Analysis
Description
Usage
Format
Source
Description
Dataset from the National Wilms Tumor Study (NWTS)
Usage
1
Format
A data frame with 3915 rows and 12 variables:
- trel
Time to relapse orlast date seen (yr), continuous
- tsur
Time to death or last date seen (yr), continuous
- relaps
Indicator of relapse,
0 = Alive no prior relapse when last seen,
1 = Relapsed after trel years
- dead
Indicator of death,
0 = Alive when last seen,
1 = Died after tsur years
- study
NWTS study,
3 = NWTS-3,
4 = NWTS-4
- stage
Stage of disease,
1=I,
2=II,
3=III,
4=IV
- histol
Central Path histology,
0 = Favorable (FH),
1 = Unfavorable (UH)
- instit
Institutional histology,
0 = Favorable (FH),
1 = Unfavorable (UH)
- age
Age at diagnosis (yr), continuous
- yr
Year of diagnosis, calendar year
- specwgt
Weight of tumor bearing specimen, in grams (continuous)
- tumdiam
Diameter of tumor, in centimeters (continuous)
Source
Originally used by M. Kulich and D.Y. Lin:
Improving the efficiency of relative-risk estimation in case-cohort studies.
J Amer Statis Assoc 99:832-844, 2004.
addhazard documentation built on May 2, 2019, 9:40 a.m.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
Description Usage Format Source
Description
Dataset from the National Wilms Tumor Study (NWTS)
Usage
1 |
Format
A data frame with 3915 rows and 12 variables:
- trel
Time to relapse orlast date seen (yr), continuous
- tsur
Time to death or last date seen (yr), continuous
- relaps
Indicator of relapse, 0 = Alive no prior relapse when last seen, 1 = Relapsed after trel years
- dead
Indicator of death, 0 = Alive when last seen, 1 = Died after tsur years
- study
NWTS study, 3 = NWTS-3, 4 = NWTS-4
- stage
Stage of disease, 1=I, 2=II, 3=III, 4=IV
- histol
Central Path histology, 0 = Favorable (FH), 1 = Unfavorable (UH)
- instit
Institutional histology, 0 = Favorable (FH), 1 = Unfavorable (UH)
- age
Age at diagnosis (yr), continuous
- yr
Year of diagnosis, calendar year
- specwgt
Weight of tumor bearing specimen, in grams (continuous)
- tumdiam
Diameter of tumor, in centimeters (continuous)
Source
Originally used by M. Kulich and D.Y. Lin: Improving the efficiency of relative-risk estimation in case-cohort studies. J Amer Statis Assoc 99:832-844, 2004.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
Embedding an R snippet on your website
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.