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Last data update: 2014.03.03

R: A case-control study of endometrial cancer

bdendo

R Documentation

A case-control study of endometrial cancer

Description

The bdendo data frame has 315 rows and 13 columns. These data concern a study in which each case of endometrial cancer was matched with 4 controls. Matching was by date of birth (within one year), marital status, and residence.

Format

This data frame contains the following columns:

`set`:	Case-control set: a numeric vector
`d`:	Case or control: a numeric vector (1=case, 0=control)
`gall`:	Gall bladder disease: a factor with levels `No` `Yes`.
`hyp`:	Hypertension: a factor with levels `No` `Yes`.
`ob`:	Obesity: a factor with levels `No` `Yes`.
`est`:	A factor with levels `No` `Yes`.
`dur`:	Duration of conjugated oestrogen therapy: an ordered factor with levels `0` < `1` < `2` < `3` < `4`.
`non`:	Use of non oestrogen drugs: a factor with levels `No` `Yes`.
`duration`:	Months of oestrogen therapy: a numeric vector.
`age`:	A numeric vector.
`cest`:	Conjugated oestrogen dose: an ordered factor with levels `0` < `1` < `2` < `3`.
`agegrp`:	A factor with levels `55-59` `60-64` `65-69` `70-74` `75-79` `80-84`
`age3`:	a factor with levels `<64` `65-74` `75+`

Source

Breslow NE, and Day N, Statistical Methods in Cancer Research. Volume I: The Analysis of Case-Control Studies. IARC Scientific Publications, IARC:Lyon, 1980.

Examples

data(bdendo)

Results


R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(Epi)

Attaching package: 'Epi'

The following object is masked from 'package:base':

    merge.data.frame

> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/Epi/bdendo.Rd_%03d_medium.png", width=480, height=480)
> ### Name: bdendo
> ### Title: A case-control study of endometrial cancer
> ### Aliases: bdendo
> ### Keywords: datasets
> 
> ### ** Examples
> 
> data(bdendo)
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>