[R-SIG-Mac] labdsv: problems with ca function

[Kasper Daniel Hansen]

And this is not really a Mac question, you need to go to the r-help  
list for stuff such as this.

Kasper


On Aug 24, 2005, at 3:13 PM, Kjell Konis wrote:

> Did you load the labdsv library in your R session?  If not you need
> to do this:
>
>
>> library(labdsv)
>> caherbpour <- ca(herbpour)
>>
>
> The installer only installs the package on your harddisk.  You still
> need to attach the package to your R session before you can use the
> functions in it.
>
> Hope this helps.
>
> Kjell
>
> On 24 Aug 2005, at 14:59, anne.boesch at epfl.ch wrote:
>
>
>> Hi,
>>
>> I am brand new to R and therefore apologize if my questions sound
>> stupid or if I
>> don't use the right words. I would like to perform a correspondence
>> analysis
>> with the ca() function of Labdsv, but here is what happens when I  
>> try:
>>
>> caherbpour<-ca(herbpour)
>> Erreur : impossible de trouver la fonction "ca"
>>
>> I checked that labdsv is installed: I have the 1.0-1 version. From
>> what I can
>> see, the other labdsv functions are OK, since I can find files such
>> as const.R,
>> importance.R or pca.R (which are other functions of the labdsv
>> package) in the R
>> library (but NOT ca.R or any other type of file with the name "ca"
>> in it). I
>> also tried to launch some of these other functions. I receive error
>> messages
>> because I don't know yet how to use them (ie. what arguments to
>> enter), but they
>> are at least found by R.
>> Is it possible the labdsv package I have is not complete (although
>> I installed
>> it via Package Installer -> Get List -> CRAN binaries) and that the
>> ca function
>> is missing ?
>> I saw one can also perform CA analyses with the cca function of the
>> vegan
>> package. Would it be a better solution ? are there differences
>> between the ca
>> function of labdsv and the cca one of vegan ?
>>
>> In case this can help, my operating system is OS 10.3.9 and the
>> version of R is
>> 1.12 (v1622)
>>
>> Thank you in advance for your help!
>>
>> Anne Boesch
>>
>>
>
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