# Guyer

##### Anonymity and Cooperation

The `Guyer`

data frame has 20 rows and 3 columns.
The data are from an experiment in which four-person groups
played a prisoner's dilemma game for 30 trails, each person
making either a cooperative or competitive choice on each
trial. Choices were made either anonymously or in public;
groups were composed either of females or of males.
The observations are 20 groups.

- Keywords
- datasets

##### Usage

`Guyer`

##### Format

This data frame contains the following columns:

- cooperation
Number of cooperative choices (out of 120 in all).

- condition
A factor with levels:

`A`

, Anonymous;`P`

, Public-Choice.- sex
Sex. A factor with levels:

`F`

, Female;`M`

, Male.

##### References

Fox, J. (2008)
*Applied Regression Analysis and Generalized Linear Models*,
Second Edition. Sage.

Fox, J. and Weisberg, S. (2011)
*An R Companion to Applied Regression*, Second Edition, Sage.

*Documentation reproduced from package car, version 2.1-6, License: GPL (>= 2)*