# Guyer

From car v2.0-20
by John Fox

##### 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`

##### source

Fox, J. and Guyer, M. (1978)
Public choice and cooperation in n-person prisoner's dilemma.
*Journal of Conflict Resolution* **22**, 469--481.

##### 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 2.0-20, License: GPL (>= 2)*

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