LDA

implement LDA

1 input directory manually in process.Process, lda.RunLDA, gtrf.RunLDA, create three different folders for lda, gtrf, modified model path_documents: original documents

2 run main function of Process, it will tokenize documents to bag of words, and parse documents to dependency trees

3 run Edges_2 to find edges

4 set num_topics, lambda2 and run RunLDA