[R] Newbie Correspondence Analysis Question

[Gavin Simpson]

On Sun, 2010-09-26 at 09:41 -0700, Vik Rubenfeld wrote:
> I'm experienced in statistics, but I am a first-time R user.  I would like to use R for correspondence analysis.  I have installed R (Mac OSX). I have used the package installer to install the CA package.  I have run the following line with no errors to read in the data for a table:
> 
> 	NonLuxury <- read.table("/Users/myUserName/Desktop/nonLuxury.data.txt")
> 
> The R online help appears to suggest that the following line should come next:
> 
> 	> corresp(NonLuxury)
> 
> However, I get the error message:
> 
> 	Error: could not find function "corresp"

You do need to load packages before you can use functions that are
contained within those packages.

For `corresp`, try

require(MASS)
corresp(NonLuxury)

The MASS packages comes with R as a recommended package, so it should
already be installed.

HTH

G

>  
> The CA manual appears to suggest that the following line should come next:
> 
> 	> ca(NonLuxury)
> 
> Again, I get the error message:
> 
> 	Error: could not find function "ca"
> 
> What am I missing? Thanks very much in advance to all for any info.
> 
> 
> -Vik
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> and provide commented, minimal, self-contained, reproducible code.

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