Description Usage Arguments Value Author(s) References See Also Examples

Compute effect size w for a two-way probability table corresponding to the alternative hypothesis in the chi-squared test of association in two-way contingency tables

1 | ```
ES.w2(P)
``` |

`P` |
A two-way probability table (alternative hypothesis) |

The corresponding effect size w

Stephane CHAMPELY

Cohen, J. (1988). Statistical power analysis for the behavioral sciences (2nd ed.). Hillsdale,NJ: Lawrence Erlbaum.

pwr.chisq.test

1 2 3 4 |

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