Hi, I am using this program for the university and I have no idea how to solve this error. I appreciate any and all help.
I can't run rcmdr, I always get the same message. What am I doing wrong? I use the OS X version El Capitan. R 3.6.1 GUI 1.70 El Capitan build (7684)
> install.packages("Rcmdr", dependencies=T) trying URL 'https://cran.rediris.es/bin/macosx/el-capitan/contrib/3.6/Rcmdr_2.6-0.tgz' Content type 'application/x-gzip' length 5080620 bytes (4.8 MB) ================================================== downloaded 4.8 MB The downloaded binary packages are in /var/folders/gn/b79s24jd0695ycd9y1m0bm7c0000gn/T//Rtmp7Juz7D/downloaded_packages > install.packages("arules", dependencies=T) trying URL 'https://cran.rediris.es/bin/macosx/el-capitan/contrib/3.6/arules_1.6-4.tgz' Content type 'application/x-gzip' length 2713455 bytes (2.6 MB) ================================================== downloaded 2.6 MB The downloaded binary packages are in /var/folders/gn/b79s24jd0695ycd9y1m0bm7c0000gn/T//Rtmp7Juz7D/downloaded_packages > library("Rcmdr") Loading required package: splines Loading required package: RcmdrMisc Loading required package: car Loading required package: carData Loading required package: sandwich Loading required package: effects Error: package or namespace load failed for ‘effects’ in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]]): there is no package called ‘nloptr’ Error: package ‘effects’ could not be loaded