Also, check the settings of R_HOME and/or R_LIBS.
Bill Dunlap
TIBCO Software
wdunlap tibco.com
On Sun, Sep 8, 2019 at 9:58 AM William Dunlap <wdun...@tibco.com> wrote:
> Look at section 6.1 of the R Installation and Admin manual.
>
> 6.1 Default packages
>
> The set of packages loaded on startup is by default
>
> > getOption("defaultPackages")
> [1] "datasets" "utils" "grDevices" "graphics" "stats" "methods"
>
> (plus, of course, *base*) and this can be changed by setting the option
> in startup code (e.g. in ~/.Rprofile). It is initially set to the value
> of the environment variable R_DEFAULT_PACKAGES if set (as a
> comma-separated list). Setting R_DEFAULT_PACKAGES=NULL ensures that only
> package *base* is loaded.
>
> Changing the set of default packages is normally used to reduce the set
> for speed when scripting: in particular not using *methods*will reduce
> the start-up time by a factor of up to two. But it can also be used to
> customize R, e.g. for class use. Rscript also checks the environment
> variable R_SCRIPT_DEFAULT_PACKAGES; if set, this takes precedence over
> R_DEFAULT_PACKAGES.
> Bill Dunlap
> TIBCO Software
> wdunlap tibco.com
>
>
> On Sun, Sep 8, 2019 at 8:42 AM Laurent Gautier <lgaut...@gmail.com> wrote:
>
>> Hi,
>>
>> When starting an embedded R I encounter the following issue under certain
>> conditions:
>>
>> ```
>> Error: package or namespace load failed for ‘utils’ in if (.identC(class1,
>> class2) || .identC(class2, "ANY")) TRUE else {:
>> missing value where TRUE/FALSE needed
>> ```
>> (more such errors for grDevices, graphics, and stats)
>>
>> And in the end:
>>
>> ```
>> Warning messages:
>> 1: package ‘utils’ in options("defaultPackages") was not found
>> 2: package ‘grDevices’ in options("defaultPackages") was not found
>> 3: package ‘graphics’ in options("defaultPackages") was not found
>> 4: package ‘stats’ in options("defaultPackages") was not found
>> ```
>>
>> While the embedded R appears functional, no package can be loaded.
>>
>> The erorr message from R (`missing value where TRUE/FALSE needed`)
>> suggests
>> that R should be able to catch the underlying issue (I am yet to find what
>> it is) earlier and with this make the task of troubleshooting easier.
>>
>> Best,
>>
>>
>> Laurent
>>
>> [[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-devel@r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-devel
>>
>
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