On 17-Nov-09 22:55:32, Marc Giombetti wrote:
> Hello everybody,
> I am new to R and I have a very basic question, but I couldn't get
> this to work.
> Let's say I have a vector
>
> s = c("a","a","a","b","b","c","c","c","c")
> s1 <- factor(s)
>
> s2 <- summary(s1) leads to the following
> a b c
>
Hi,
try ?table
# for example
(s3 <- table(s))
# and if you want a single value
s3["a"]
# or
s3[1]
HTH,
Colin.
From: r-help-boun...@r-project.org on behalf of Marc Giombetti
Sent: Tue 17/11/2009 22:55
To: r-help@r-project.org
Subject: [R] Basic ques
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