From bbernzwe at bear.com  Fri Mar 24 21:42:08 2006
From: bbernzwe at bear.com (Bernzweig, Bruce (Exchange))
Date: Fri, 24 Mar 2006 15:42:08 -0500
Subject: [Rd] How to capture t-score and p-values from t.test
Message-ID: <136753ACA3E9A5498440B172A77F4BF20A5D331D@whexchmb15.bsna.bsroot.bear.com>

Thanks Peter!

-----Original Message-----
From: pd at pubhealth.ku.dk [mailto:pd at pubhealth.ku.dk] On Behalf Of Peter Dalgaard
Sent: Friday, March 24, 2006 3:37 PM
To: Bernzweig, Bruce (Exchange)
Cc: r-devel at r-project.org
Subject: Re: [Rd] How to capture t-score and p-values from t.test

"Bernzweig, Bruce (Exchange)" <bbernzwe at bear.com> writes:

> When I do t.test on two distributions (see example below), it outputs
> numerous data about the t.test.
> 
> What I'd like to do is individually capture some of this data and assign
> it to other variables.
> 
> However, I am unable to find anything in the help section.
> 
>  
> 
> In the example below, the t value is -4.0441 and the p-value is 0.006771
> 
> How can I assign these values to two variables, let's say tVal and pVal?
> 

tt <- t.test(d[1], d[2], var.equal=TRUE)

tt$statistic
tt$p.value

unclass(tt)
names(tt)

-- 
   O__  ---- Peter Dalgaard             ?ster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)                  FAX: (+45) 35327907



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[Rd] How to capture t-score and p-values from t.test
Bernzweig, Bruce (Exchange