TF-IDF(AoF).txt

Code
% Code for TF-IDF with average Occurence Frequency %  

head(Automotive2)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
textdata=Automotive2.text;
head(textdata);
documents=preprocessed(textdata);
bag=bagOfWords(documents);
bag=removeEmptyDocuments(bag);
aof=sum(sum(bag.Counts(:)))/bag.NumWords;
bag=removeInfrequentWords(bag,aof);
m=tfidf(bag);
x=full(m);

%The keywords and their tf-idf score are represented in matrix 'x'%