[R] installing a new package

[Uwe Ligges]

Don MacQueen wrote:
> At the risk of oversimplifying, there are three steps to developing 
> and using a package:
> 
> 1) build
> 2) install
> 3) load
> 
> Evidently your package does steps 1 and 2 but not 3.
> 
> Furthermore, it tells you, "not a valid package", and says something 
> that is suggestive of a version problem:
>    "installed < 2.0.0"
> 
> I think you have to look very carefully at your package and look for 
> what is invalid about it. There must be some requirement of package 
> structure, or contents, or version of something, that your package 
> doesn't meet or violates.
> 
> Since your package can be installed, go into R, and try
>    require(HighProbability)
> but set the verbose argument to something that gives more information 
> than the default. Maybe that will give some helpful information, more 
> than the check provides.
> 
> Either that, or delve deeply into the CMD check script(s) and find 
> out exactly what can trigger the error message.
> 
> Anyway, that's the best I can come up with, without actually having 
> the package files.

And the having the latter, it would be much easier to help for all of us.

Uwe Ligges

> 
> -Don
> 
> At 2:52 PM -0400 3/28/08, zmontaze at uottawa.ca wrote:
>> Dear all,
>> I have prepared a new package to install in R, I tried to check my package
>> and I got the following message
>> ------------------------------------------------------------------------
>> 232sub141:~ zahra$ R CMD check /Users/zahra/Desktop/HighProbability
>> * checking for working latex ... OK
>> * using log directory '/Users/zahra/HighProbability.Rcheck'
>> * using R version 2.6.2 (2008-02-08)
>> * checking for file 'HighProbability/DESCRIPTION' ... OK
>> * this is package 'HighProbability' version '1.0-3'
>> * checking package dependencies ... OK
>> * checking if this is a source package ... OK
>> * checking whether package 'HighProbability' can be installed ... OK
>> * checking package directory ... OK
>> * checking for portable file names ... OK
>> * checking for sufficient/correct file permissions ... OK
>> * checking DESCRIPTION meta-information ... OK
>> * checking top-level files ... OK
>> * checking index information ... OK
>> * checking package subdirectories ... OK
>> * checking R files for non-ASCII characters ... OK
>> * checking R files for syntax errors ... OK
>> * checking whether the package can be loaded ... ERROR
>> Error in library(HighProbability) :
>>   'HighProbability' is not a valid package -- installed < 2.0.0?
>> Execution halted
>>
>> It looks like this package has a loading problem: see the messages for
>> details.
>> ------------------------------------------------------------------------
>>
>> I don't know what the "Error in library(package name)" means and how can I
>> solve it. I work with Mac.
>> I'll appreciate it if you could help me.
>> All the best,
>> Zahra
>>
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>> and provide commented, minimal, self-contained, reproducible code.
> 
>