I did with your advice Mr. Simpson, thank you very much for that hint :) , In addition I want to menshioned that I got the following lines in RStudio as I wanted to check the package INLA after I moved the INLA file to the library file in R:
> library(INLA)
Loading required package: sp
Loading required package: Matrix
Loading required package: splines
Error in library(INLA) :
package ‘INLA’ does not have a namespace and should be re-installed
In addition: Warning messages:
1: package ‘INLA’ was built under R version 3.2.3
2: package ‘sp’ was built under R version 3.1.3
> ? INLA
No documentation for ‘INLA’ in specified packages and libraries:
you could try ‘??INLA’
> ?INLA
No documentation for ‘INLA’ in specified packages and libraries:
you could try ‘??INLA’
> help(INLA)
No documentation for ‘INLA’ in specified packages and libraries:
you could try ‘??INLA’