RHIPE(phonetic spelling: hree-pay' 1) is a java package that integrates the R environment with Hadoop, the open source implementation of Google's mapreduce. Using RHIPE it is possible to code map-reduce algorithms in R e.g m <- function(key,val){ words <- strsplit(val," +")[[1]] wc <- table(words) cln <- names(wc) names(wc)<-NULL; names(cln)<-NULL; return(sapply(1:length(wc),function(r) list(key=c