install.packages( c("tm", "VCorpus", "hunspell"),  dependencies = TRUE)   install.packages( c("Rweka", "RMySQL", "textmining"),  dependencies = TRUE)   install.packages( c("iemisctext", "ngram"), dependencies = TRUE)   if(TRUE)  {    WORKDIR="D:/DeltaPartners2017/FieldOperations/TextMining/Mining/";    setwd(WORKDIR);    Sys.setlocale("LC_ALL","Arabic")    memory.limit(size = 16072)          library(tm);    library("iemisctext")    library(ngram)    library(RWeka)       data(anarchy)    a    findFreqTerms(a, 5)       data("crude")       # Corpust --> DataFrame    ddataframeCrude   dataframeCrude[1,]     }          # Raw data to Corpus     serv_log   mycorpus      mydfCorpus   mydfCorpus[1]       # Map the corpus by applying differnt filters     mycorpusAfterMap   mycorpusAfterMap   mycorpusAfterMap ...