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

View source: R/metaseqr.meta.R

This method combines a set of p-values using Fisher's method:

*S = -2 ∑ \log p*

1 | ```
fisher.sum(p, zero.sub=0.00001, na.rm=FALSE)
``` |

`p` |
A vector of p-values |

`zero.sub` |
Replacement for 0 values. |

`na.rm` |
Should NA values be removed before calculating the sum |

As `log(0)`

results in `Inf`

we replace p-values of 0 by
default with a small float. If you want to keep them as 0 you have
to provide 0 as a parameter in `zero.sub`

.

Note that only p-values between 0 and 1 are allowed to be passed to this method.

Fisher's sum as described above.

This function was copied from the CRAN package MADAM which is no longer maintained. Recognition goes to the original author(s) below.

Karl Kugler <karl@eigenlab.net>

Fisher, R.A. (1925). Statistical Methods for Research Workers. Oliver and Boyd (Edinburgh).

1 2 | ```
fisher.sum(c(0.2,0.05,0.05))
fisher.sum(c(0.2,0.05,0.05, NA), na.rm=TRUE)
``` |

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