On 19-Oct-04 pcscan wrote:
We are currently using the t-test in Package stats,
[...]
but have some troubles :
1. why does the t-test take so a long time to perform a single test
on a row of a data.frame ? Is there any alternative function to
perform t-test on all the rows of a
$estimate, Lower=c(c$conf.int[1]), Upper=c(c$conf.int[2]))}
else {res=c(median=NA, Lower=NA, Upper=NA)}
res
}
hope this helps,
All the best,
Marta
- Original Message -
From: pcscan [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, October 19, 2004 4:04 AM
Subject: [R] Questions
We are currently using the t-test in Package stats,
t.test(x, y = NULL, alternative = c(two.sided, less, greater),
mu = 0, paired = FALSE, var.equal = FALSE,
conf.level = 0.95, ...)
but have some troubles :
1. why does the t-test take so a long time to perform a single test on a
