Error in building library - R CMD build mypkg.

----- Forwarded by Ajay DAS/US/BMNA01 on 05/19/2008 03:11 PM -----

                     Ajay DAS
                                              To:       r-help at r-project.org
                     05/19/2008 01:00         cc:
                     PM                       Subject:  Error in building library - R CMD build mypkg.





Hi,

I am getting an error when I am trying to build a library in R for windows
. I am using R 2.7.0 in windows. I am following the instructions listed in
the R Help for package creation.

require(stats)
## two functions and two "data sets" :
f <- function(x,y) x+y
g <- function(x,y) x-y
d <- data.frame(a=1, b=2)
e <- rnorm(1000)

package.skeleton(list=c("f","g","d","e"), name="mypkg")


Then in the command prompt I executed the following command:

     R CMD build mypkg

I am getting the following error :

* checking for file 'mypkg/DESCRIPTION' ... OK
* preparing 'mypkg':
* checking DESCRIPTION meta-information ... ERROR
During startup - Warning messages:
1: In library(package, lib.loc = lib.loc, character.only = TRUE,
logical.return
= TRUE,  :
' there is no package called 'NULL
 in options("defaultPackages") was not found

What is it that I am not doing right ?

Thanks,
Ajay.





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