Submission for mining frik competition

• setup base directory in main methods of preprocess.py and model.py files
  • base directory should contain ccdm_test.tsv, ccdm_sample.tsv, ccdm_medium.tsv and ccdm_large.tsv
• run preprocess.py (with python 2.7)
  • preprocess will create: ccdm_test-preprocessed.tsv and ccdm_all-preprocessed.tsv files in base directory
• run model.py
  • model will do crossvalidation, and predict the leaderboard set file in base directory:
    • prediction_xb_sparse.tsv