# R Dataset / Package mosaicData / Whickham

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## Visual Summaries

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<iframe src="https://embed.picostat.com/r-dataset-package-mosaicdata-whickham.html" frameBorder="0" width="100%" height="307px" />
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Documentation

## Data from the Whickham survey

### Description

Data on age, smoking, and mortality from a one-in-six survey of the electoral roll in Whickham, a mixed urban and rural district near Newcastle upon Tyne, in the UK. The survey was conducted in 1972-1974 to study heart disease and thyroid disease. A follow-up on those in the survey was conducted twenty years later.

### Usage

data(Whickham)


### Format

A data frame with 1314 observations on women for the following variables.

• outcome survival status after 20 years: a factor with levels Alive Dead

• smoker smoking status at baseline: a factor with levels No Yes

• age age (in years) at the time of the first survey

### Details

This dataset contains a subset of the survey sample: women who were classified as current smokers or as never having smoked. The data were synthesized from the summary description tables given in the Appleton et al al paper.

### References

DR Appleton, JM French, MPJ Vanderpump. "Ignoring a covariate: an example of Simpson's paradox". (1996) American Statistician, 50(4):340-341.

### Examples

data(Whickham)
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Dataset imported from https://www.r-project.org.

R Output Date
Picostat Output - Simple Linear Regression Jun 27, 2018