Description Usage Arguments Details Value Author(s) References See Also Examples
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.
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)
|
S num.p
1 15.2018 3
S num.p
1 15.2018 3
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