Bioequivalence and Bioavailability Forum

sorry for multiple posts.
i did all steps but i'm stuck at the step of installing the binary package from inside the Rstudio, i always get the following error message
"install.packages(file.choose())
Installing package into ‘/Users/mahmoudteaima/Library/R/3.2/library’
(as ‘lib’ is unspecified)
Warning in install.packages :
package ‘/Users/mahmoudteaima/Downloads/bear_2.7.5.tgz’ is not available (for R version 3.2.3)
> install.packages(file.choose())
Installing package into ‘/Users/mahmoudteaima/Library/R/3.2/library’
(as ‘lib’ is unspecified)
Warning in install.packages :
package ‘/Users/mahmoudteaima/Downloads/bear_2.7.5.tgz’ is not available (for R version 3.2.3)
> install.packages(file.choose())
Installing package into ‘/Users/mahmoudteaima/Library/R/3.2/library’
(as ‘lib’ is unspecified)
Warning in install.packages :
package ‘/Users/mahmoudteaima/bear_2.7.5.tgz’ is not available (for R version 3.2.3)
> .libPaths()
[1] "/Users/mahmoudteaima/Library/R/3.2/library"
[2] "/Library/Frameworks/R.framework/Versions/3.2/Resources/library"
> install.packages(file.choose(),lib=/Library/Frameworks/R.framework/Versions/3.2/Resources/library)
Error: unexpected '/' in "install.packages(file.choose(),lib=/"
> setwd("/Library/Frameworks/R.framework/Versions/3.2/Resources/library")
> install.packages(file.choose())
Installing package into ‘/Users/mahmoudteaima/Library/R/3.2/library’
(as ‘lib’ is unspecified)
Warning in install.packages :
package ‘/Users/mahmoudteaima/Downloads/bear_2.7.5.tgz’ is not available (for R version 3.2.3)
> install.packages(file.choose())
Installing package into ‘/Users/mahmoudteaima/Library/R/3.2/library’
(as ‘lib’ is unspecified)
Warning in install.packages :
package ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/library/bear_2.7.5.tgz’ is not available (for R version 3.2.3)
> install.packages(file.choose())
Installing package into ‘/Users/mahmoudteaima/Library/R/3.2/library’
(as ‘lib’ is unspecified)
Warning in install.packages :
package ‘/Library/Frameworks/R.framework/Versions/3.2/Resources/bear_2.7.5.tgz’ is not available (for R version 3.2.3)"

where i should place the bear_2.7.5.tgz file to use it in the installation step?
how i specify the library for the installation?

thanks a lot for you support.

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Edit: Full quote removed. Please delete everything from the text of the original poster which is not necessary in understanding your answer; see also this post! You can edit your post for 24 hours. Please do so. [Helmut]