[R-lang] Problem of running lmer on Mac OS 10.9 Mavericks

[Yingying Tan]

Hi all

I accidentally upgraded my Mac's OS to Mavericks (!) today. Then I was
forced to upgraded R (R 3.1.0 GUI 1.64 Mavericks build), as well as Rstudio
(RStudio-0.98.501).

Then I installed several packages as usual:
install.packages (c("rpart", "chron", "Hmisc", "Design", "Matrix", "lme4",
"coda", "e1071", "zipfR", "ape", "languageR"))

Then I run the following command:
library (LanguageR)

But the commend "library(languageR)" seemed not working appropriately.
Nothing happened after running this commend, although there is no error
message. However, when I tried to call the lmer function, the error message
said "Error: could not find function "lmer". "

I got the error message as "One or more of the packages that will be
updated by this installation are currently loaded. Restarting R prior to
updating these packages is strongly recommended. RStudio can restart R and
then automatically continue the installation after restarting (all work and
data will be preserved during the restart). Do you want to restart R prior
to installing?" I clicked "Yes". But this one come out repeatedly...

I tried to check each function (e.g. library (lme4)). The lmer function
seems work, but the output is wrong.

I am not very familiar with R-language. I am wondering if anyone have met
this problem before and find a solution to it? Thanks a lot!

Best,
Yingying
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