Last data update: 2014.03.03

R: vaso-constriction data
vaso.dfR Documentation

vaso-constriction data

Description

Data from a study of reflex vaso-constriction (narrowing of the blood vessels) of the skin of the fingers

Usage

data(vaso.df)

Format

A data frame with 39 observations on the following 3 variables.

Volume

volume of air breathed in

Rate

rate of intake of breath

Response

1 = vaso-constriction occurs, 0 = doesn't occur

Source

Finney, D. J. (1947). The estimation from individual records of the relationship between dose and quantal response. Biometrika, 34, 320-334.

References

Pregibon, D. (1981) Logistic regression diagnostics. Annals of Statistics, 9,705-724.

Examples

data(vaso.df)
plot(vaso.df$Rate,vaso.df$Volume,type="n", cex=1.2)
text(vaso.df$Rate,vaso.df$Volume,1:39,
col=ifelse(vaso.df$Response==1, "red","blue"),cex=1.2)
text(2.3,3.5,"blue: no VS", col="blue",adj=0, cex=1.2)
text(2.3,3.0,"red: VS", col="red", adj=0, cex=1.2)

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(R330)
Loading required package: s20x
Loading required package: leaps
Loading required package: rgl
Loading required package: lattice
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/R330/vaso.df.Rd_%03d_medium.png", width=480, height=480)
> ### Name: vaso.df
> ### Title: vaso-constriction data
> ### Aliases: vaso.df
> ### Keywords: datasets
> 
> ### ** Examples
> 
> data(vaso.df)
> plot(vaso.df$Rate,vaso.df$Volume,type="n", cex=1.2)
> text(vaso.df$Rate,vaso.df$Volume,1:39,
+ col=ifelse(vaso.df$Response==1, "red","blue"),cex=1.2)
> text(2.3,3.5,"blue: no VS", col="blue",adj=0, cex=1.2)
> text(2.3,3.0,"red: VS", col="red", adj=0, cex=1.2)
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>