View source: R/bruceR-stats_1_basic.R

cor_diff | R Documentation |

Test the difference between two correlations.

```
cor_diff(r1, n1, r2, n2, n = NULL, rcov = NULL)
```

`r1, r2` |
Correlation coefficients (Pearson's |

`n, n1, n2` |
Sample sizes. |

`rcov` |
[Optional] Only for nonindependent
then, as Y and Z are also correlated, we should also consider |

Invisibly return the *p* value.

```
# two independent rs (X~Y vs. Z~W)
cor_diff(r1=0.20, n1=100, r2=0.45, n2=100)
# two nonindependent rs (X~Y vs. X~Z, with Y and Z also correlated [rcov])
cor_diff(r1=0.20, r2=0.45, n=100, rcov=0.80)
```

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