



Anyone knows what does this error means? > library(RcppClassic) Error in gzfile(file, "rb") : cannot open the connection I thought I installed the package successfully: > install.packages('RcppClassic') Installing package(s) into ‘C:/Program Files/R/library’ (as ‘lib’ is unspecified) also installing the dependency ‘Rcpp’ trying URL 'http://cran.at.r-project.org/bin/windows/contrib/2.15/Rcpp_0.10.2.zip'Content type 'application/zip' length 3882722 bytes (3.7 Mb) opened URL downloaded 3.7 Mb trying URL 'http://cran.at.r-project.org/bin/windows/contrib/2.15/RcppClassic_0.9.3.zip'Content type 'application/zip' length 854312 bytes (834 Kb) opened URL downloaded 834 Kb package ‘Rcpp’ successfully unpacked and MD5 sums checked Warning: cannot remove prior installation of package ‘Rcpp’ package ‘RcppClassic’ successfully unpacked and MD5 sums checked The downloaded binary packages are in         C:\Users\xxxx\AppData\Local\Temp\Rtmp2t8Lm6\downloaded_packages
Thanks,Lin
 		 	   		  
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