[R-SIG-Mac] help with ltm package

[Ken Beath]

This is because you haven't installed the package msm.  The best way is when installing ltm or any other package is to install dependencies. You can repeat the installation.

Ken

On 25/02/2010, at 10:38 AM, Andrew Landers wrote:

> on my macbook, R won't run ltm package, it keeps telling me this:
>> library(ltm)
> Loading required package: MASS
> Loading required package: msm
> Error: package 'msm' could not be loaded
> In addition: Warning message:
> In library(pkg, character.only = TRUE, logical.return = TRUE, lib.loc = lib.loc) :
>  there is no package called 'msm'
> 
> please help
> 
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