[R] t.test

Peter Dalgaard BSA p.dalgaard at biostat.ku.dk
Wed Oct 31 22:55:21 CET 2001

John Miyamoto <jmiyamot at u.washington.edu> writes:

> Dear R-users,
>    I am learning to use R 1.3.1 on a Pentium running Windows '98.  I'm
> puzzled that several statistical procedures, t.test and chisq.test, do not
> appear to be available on R version 1.3.1.  For example, if I type
> "t.test", I get the reply, "Object "t.test" not found".  Is there a
> package that I have to load in order to have access to these procedures,
> or have they been dropped from the R program?  On a related question, is
> there a web site that lists changes from one version of R to the next?  I
> tried unsuccessfully to find such a list at the CRAN website.

It should be there, and generally it is. Did you do anything peculiar
during installation?

Does library(ctest) make any difference? If so, then you might somehow
have squashed the normal load on startup.

   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907
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