Try using
source("P_Value")
before anything else.
Also, P_Value can be written as a one-liner:
P_Value <- function(Table) fisher.test(Table)$p.value
so you don't really need a separate function at all.
Bill Venables
CSIRO/CMIS Cleveland Laboratories
-----Original Message-----
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On
Behalf Of A-A_lowie li
Sent: Monday, 3 May 2010 4:20 AM
To: r-help@r-project.org
Subject: [R] How could I use a function saved in one file ?
Dear All:
I create a file named :"P_Value" with only one simple function:
P_Value <- function( Table ) {
S = fisher.test(Table, alternative = "two.sided");
return(S$p.value);
}
However, it seems that it's impossible to use this function
directly, because no matter
where I save this file, R always reports a missing function. For
example,
> M = matrix(c(25194,2783,307,20),2)
> P_Value(M)
Error: could not find function "P_Value"
Sincerely thanks a lot for any suggestions.
Lowie
--
Without dream, life is incomplete!
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