arthritis: Rheumatoid Arthritis Clinical Trial
In multgee: GEE Solver for Correlated Nominal or Ordinal Multinomial Responses
arthritis R Documentation
Rheumatoid Arthritis Clinical Trial
Description
Rheumatoid self-assessment scores for 302 patients, measured on a five-level
ordinal response scale at three follow-up times.
Usage
arthritis
Format
A data frame with 906 observations on the following 7 variables:
- id
Patient identifier variable.
- y
Self-assessment score of rheumatoid arthritis measured on a
five-level ordinal response scale.
- sex
Coded as (1) for
female and (2) for male.
- age
Recorded at the baseline.
- trt
Treatment group variable, coded as (1) for the placebo
group and (2) for the drug group.
- baseline
Self-assessment
score of rheumatoid arthritis at the baseline.
- time
Follow-up time recorded in months.
Source
Lipsitz, S.R. and Kim, K. and Zhao, L. (1994) Analysis of repeated
categorical data using generalized estimating equations. Statistics in
Medicine, 13, 1149–1163.
Examples
data(arthritis)
str(arthritis)
multgee documentation built on Sept. 2, 2023, 9:06 a.m.
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| arthritis | R Documentation |
Rheumatoid Arthritis Clinical Trial
Description
Rheumatoid self-assessment scores for 302 patients, measured on a five-level ordinal response scale at three follow-up times.
Usage
arthritis
Format
A data frame with 906 observations on the following 7 variables:
- id
Patient identifier variable.
- y
Self-assessment score of rheumatoid arthritis measured on a five-level ordinal response scale.
- sex
Coded as (1) for female and (2) for male.
- age
Recorded at the baseline.
- trt
Treatment group variable, coded as (1) for the placebo group and (2) for the drug group.
- baseline
Self-assessment score of rheumatoid arthritis at the baseline.
- time
Follow-up time recorded in months.
Source
Lipsitz, S.R. and Kim, K. and Zhao, L. (1994) Analysis of repeated categorical data using generalized estimating equations. Statistics in Medicine, 13, 1149–1163.
Examples
data(arthritis)
str(arthritis)
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.
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