Just FYI, I've had a lot of students in the last 2-weeks reporting errors like 
this about other packages with dependencies that have their own dependencies.

The full chain doesn't appear to be being followed.

For some, on Macs I think, they also have the problem of install.packages() 
trying to install a source version which is newer than the current CRAN binary, 
and then failing because the required compiler isn't present.

Also, sometimes a package will get listed as being installed one or more times 
(this happened for "crayon" last week) , then not ending up installed at all.

There was a strange issue with the "stringi" package being missing despite 
multiple install.packages() calls by students to the top level package that 
ultimately wanted it.

Most solved by reading the error, manually installing (forcing binary if 
necessary) the missing package, and repeating until done.

Of course this leads to lots of "it's broken"  and "no... it didn't work" 
hassles :-)

Best, tim (currently happy the mac TZ warning has gone away in 3.4.4 :-) )


> On 20 Mar 2018, at 4:01 pm, Keith O'Hara <keith.oh...@nyu.edu> wrote:
> 
> The dependence seems to come from rms -> multcomp -> mvtnorm. 
> 
> Keith
> 
>> On Mar 20, 2018, at 11:44 AM, David Winsemius <dwinsem...@comcast.net> wrote:
>> 
>> 
>>> On Mar 20, 2018, at 8:35 AM, Keith O'Hara <keith.oh...@nyu.edu> wrote:
>>> 
>>> Did you try reinstalling the mvtnorm package?
>>> 
>>> Keith
>>> 
>>>> On Mar 19, 2018, at 10:56 PM, Yonabeth Nava de Escalante 
>>>> <yonabet...@gmail.com> wrote:
>>>> 
>>>> I am trying to install the ‘rms’ package in my Mac OS X Yosemite 10.10.5. 
>>>> When I try to load the library I get this error:
>>>> 
>>>>> library(rms)
>>>> Error in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]) 
>>>> : 
>>>> there is no package called ‘mvtnorm’
>>>> Error: package or namespace load failed for ‘rms’
>>>> 
>>>> I tried installing the dependencies with 
>>>> 
>>>> install.packages("rms",dependencies = TRUE)
>>>> 
>>>> I also tried
>>>> 
>>>> install.packages("rms", repos=c("http://rstudio.org/_packages";, 
>>>> "http://cran.rstudio.com”))
>>>> 
>>>> However, I keep getting the same error. 
>>>>    [[alternative HTML version deleted]]
>> 
>> I can confirm this behavior. I load rms from startup in my .Rprofile file 
>> and if mvtrnorm is missing I also get:
>> 
>> Error: package or namespace load failed for ‘rms’ in loadNamespace(i, 
>> c(lib.loc, .libPaths()), versionCheck = vI[[i]]):
>> there is no package called ‘mvtnorm’
>> 
>> To me it signals a needt to let the package maintainer know about the issue.
>> 
>>> maintainer("rms")
>> [1] "Frank E Harrell Jr <f.harr...@vanderbilt.edu>"
>> 
>>>> 
>>>> _______________________________________________
>>>> R-SIG-Mac mailing list
>>>> R-SIG-Mac@r-project.org
>>>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac
>>> 
>>> _______________________________________________
>>> R-SIG-Mac mailing list
>>> R-SIG-Mac@r-project.org
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>> 
>> David Winsemius
>> Alameda, CA, USA
>> 
>> 'Any technology distinguishable from magic is insufficiently advanced.'   
>> -Gehm's Corollary to Clarke's Third Law
>> 
>> 
>> 
>> 
>> 
> 
> _______________________________________________
> R-SIG-Mac mailing list
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