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wenchao
2009 Feb 19
0
Log rank test power calculations
It returns a chi-squared statistic with one degree of freedom.
--
David Winsemius
-------------- Original message ----------------------
From: Timthy Chang <henchao.chang at gmail.com>
>
>
> >See the cpower() and spower() functions in Frank Harrell's Hmisc package
> >on CRAN.
> >
> >HTH,
> >
> >Marc Schwartz
>
> How to calculate the p-value of Log rank test ??
> Thank you very much!
> --
> Vie...
2010 Aug 17
3
A question of install R packages
My R_version is 2.11.1.
I can?t install R packages.
The error massages are following:
package 'DBI' successfully unpacked and MD5 sums checked
error in normalizePath(path) :
path[1]="E:\R-2.11.1\library/DBI"??
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