ale
>
> Hope that helps.
>
> Michael Conklin
>
>
> -Original Message-
> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On
> Behalf Of Karin Lagesen
> Sent: Thursday, April 16, 2009 5:29 AM
> To: r-help@r-project.org
> Subject: Re:
org
Onderwerp: Re: [R] performing function on data frame
David Hajage writes:
> Hi Karin,
>
> I'm not sure I understand... Is this what you want ?
>
> d$y - mean(d$y)/sd(d$y)
Yes, and also a bit no.
Each column in my data frame represents one data set. For every
element
[R] performing function on data frame
David Hajage writes:
> Hi Karin,
>
> I'm not sure I understand... Is this what you want ?
>
> d$y - mean(d$y)/sd(d$y)
Yes, and also a bit no.
Each column in my data frame represents one data set. For every
element in this data set I want
David Hajage writes:
> Hi Karin,
>
> I'm not sure I understand... Is this what you want ?
>
> d$y - mean(d$y)/sd(d$y)
Yes, and also a bit no.
Each column in my data frame represents one data set. For every
element in this data set I want to know the z value for that
element. I.e: I want to c
Hi Karin,
I'm not sure I understand... Is this what you want ?
d$y - mean(d$y)/sd(d$y)
2009/4/15 Karin Lagesen
>
> Hi!
>
> First, pardon me if this is a faq. I think I should be using some sort
> of apply, but I am not managing to figure those out.
>
> I have a data frame similar to this:
>
>
Hi!
First, pardon me if this is a faq. I think I should be using some sort
of apply, but I am not managing to figure those out.
I have a data frame similar to this:
> d <- data.frame(x = LETTERS[1:5], y = rnorm(5), z = rnorm(5))
> d
x y z
1 A 0.1605464 -0.2719820
2 B -0.925
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