Hello I have R version 4.1.1 (2021-08-10) -- "Kick Things", on an Ubuntu 21 machine. I am trying to install the package meta but I get the following error: ``` ... ERROR: dependency ‘RcppEigen’ is not available for package ‘lme4’ * removing ‘/home/gigiux/R/x86_64-pc-linux-gnu-library/4.1/lme4’ Warning in install.packages : installation of package ‘lme4’ had non-zero exit status ERROR: dependency ‘lme4’ is not available for package ‘meta’ ``` I tried to install RcppEigen but: ``` ... /usr/bin/ld: cannot find -llapack /usr/bin/ld: cannot find -lblas /usr/bin/ld: cannot find -lgfortran collect2: error: ld returned 1 exit status make: *** [/usr/share/R/share/make/shlib.mk:10: RcppEigen.so] Error 1 ERROR: compilation failed for package ‘RcppEigen’ * removing ‘/home/gigiux/R/x86_64-pc-linux-gnu-library/4.1/RcppEigen’ Warning in install.packages : installation of package ‘RcppEigen’ had non-zero exit status ``` and lme4 requires RcppEigen. I launched `$ sudo apt-get install r-cran-rcppeigen` installation successful but I got the same error in installing RcppEigen. What could be the error? -- Best regards, Luigi
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