On this Picostat.com statistics page, you will find information about the Cowles data set which pertains to Cowles and Davis's Data on Volunteering. The Cowles data set is found in the car R package. You can load the Cowles data set in R by issuing the following command at the console data("Cowles"). This will load the data into a variable called Cowles. If R says the Cowles data set is not found, you can try installing the package by issuing this command install.packages("car") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the Cowles R data set. The size of this file is about 26,923 bytes.

Cowles and Davis's Data on Volunteering

Description

The Cowles data frame has 1421 rows and 4 columns. These data come from a study of the personality determinants of volunteering for psychological research.

Usage

Cowles

Format

This data frame contains the following columns:

neuroticism

scale from Eysenck personality inventory

extraversion

scale from Eysenck personality inventory

sex

a factor with levels: female; male

volunteer

volunteeing, a factor with levels: no; yes

Source

Cowles, M. and C. Davis (1987) The subject matter of psychology: Volunteers. British Journal of Social Psychology 26, 97–102.

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Dataset imported from https://www.r-project.org.