On the Feature Selection and Classification Based on Information Gain for Document Sentiment Analysis

Algorithm 1

IGDF feature selection.

(1) procedure IGDF–FEATURE–SELECTION(input: of attributes and its class ,

   output: and negative feature )

(2) for  each features in featureset  do

(3)   calculate

(4)  end  for

(5)  for  each IGscore in    do

(6)   if    then

(7)    

(8)    if    then

(9)     

(10)    else

(11)     

(12)    end  if

(13)   end  if

(14)  end  for

(15) end  procedure