Re: [R] R: x-y data

From: John Kane <jrkrideau_at_yahoo.ca>
Date: Wed, 06 Jun 2007 11:15:46 -0400 (EDT)


There are a couple of ways but I think you need to read about R . Have a look at Managing data http://cran.r-project.org/doc/contrib/Lemon-kickstart/index.html

and / or read the Intro to R manual available on CRAN or probably from the R help icon.

you have a data.frame DF you can assign names to the variables

?names
names(DF) <- c("x", "y") and attach the data.frame

?attach

or you can reference the columns

as DF[,1] and DF[,2]

>
> Hello
>
> I have an Excel file with x-y data. I saved this
> file as a cvs file. Then I
> used the read.table() function to read the data into
> R. If I have a formula
> like (x+y)/2, how would I access x and y in R? I
> have the table named as
> something. But how do I access the individual
> columns if I want to plug them
> into the formula?
>

> Thanks
> --



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