R: Stages of Diabetic Retinopathy

wesdr1 {gss} | R Documentation

## Stages of Diabetic Retinopathy

### Description

Data derived from the Wisconsin Epidemiological Study of Diabetic Retinopathy.

### Usage

    data(wesdr1)

### Format

A data frame containing 2049 observations on the following variables.

`age` | Age of patient.
`dur` | Duration of diabetes, in years.
`gly` | Percent of glycosylated hemoglobin.
`upro` | Ordinal urine protein level.
`insl` | Binary indicator of insulin usage.
`ret1` | Ordinal retinopathy stage, right eye.
`ret2` | Ordinal retinopathy stage, left eye.

[Package gss version 2.2-2 Index]