R not finding package even after package installation

Question

I have always worked with the zoo package  that I have installed a long time ago  Today  I created a new R script  and ran library zoo  and got the following error     gt  library zoo   Error in library zoo    there is no package called    zoo      Odd   Still  I tried reinstalling the package using install packages  zoo    and get the following     gt  install packages  zoo    Installing package s  into    C  Users U122337 BOSTONADVISORS Documents R win-library 2 15      as    lib    is unspecified   --- Please select a CRAN mirror for use in this session ---  trying URL  http   cran cnr Berkeley edu bin windows contrib 2 15 zoo 1 7-10 zip   Content type  application zip  length 874474 bytes  853 Kb   opened URL  downloaded 853 Kb   package    zoo    successfully unpacked and MD5 sums checked  Warning  cannot remove prior installation of package    zoo     The downloaded binary packages are in     C  Users U122337 BOSTONADVISORS AppData Local Temp Rtmp404t8Y downloaded packages   When I try uploading the package  I get the error again that the zoo package doesn t exist   I have no idea what s happening  I exited the GUI and restarted it  same problem  I have always worked with this package  and I have no idea why this is happening now

User · Answer

I had this problem and the issue was that I had the package loaded in another R instance. Simply closing all R instances and installing on a fresh instance allowed for the package to be installed.

Generally, you can also install if every remaining instance has never loaded the package as well (even if it installed an old version).

User · Answer

Do  libPaths    close every R runing  check in the first directory  remove the zoo package restart R and install zoo again  Of course you need to have sufficient rights

User · Answer

When you run   install packages  whatever     you got message that your binaries are downloaded into temporary location  e g  The downloaded binary packages are in     C  Users User name AppData Local Temp RtmpC6Y8Yv downloaded packages    Go there  Take binaries  zip file   Copy paste into location which you get from running the code    libPaths     If libPaths shows 2 locations  then paste into second one  Load library   library whatever    Fixed

User · Answer

So the package will be downloaded in a temp folder C  Users U122337 BOSTONADVISORS AppData Local Temp Rtmp404t8Y downloaded packages from where it will be installed into your library folder  e g  C  R library zoo  What you have to do once install command is done  Open Packages menu -  Load package     You will see your package on the list  You can automate this  How to load packages in R automatically

[r] R not finding package even after package installation

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