old_contents: #!/usr/bin/env python3
  #
  # This script is used for downloading the dataset used by the examples.
  # Dataset used: UCI / Pima Indians Diabetes (in libsvm format)
  
  import os
  import urllib.request
  
  
  DATASET_URL = 'http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/diabetes'
  TARGET_PATH = os.path.dirname(os.path.realpath(__file__)) + '/dataset.txt'
  
  
  def main():
      urllib.request.urlretrieve(DATASET_URL, TARGET_PATH)
  
  
  if __name__ == '__main__': main()
  
new_contents: #!/usr/bin/env python3
  #
  # This script is used for downloading the dataset used by the examples.
  # Dataset used: Statlog / Letter (in libsvm format)
  
  import os
  import urllib.request
  import random
  
  
  DATASET_URL = 'http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/multiclass/letter.scale'
  DATASET_SIZE = 1000
  TARGET_PATH = os.path.dirname(os.path.realpath(__file__)) + '/dataset.txt'
  
  
  def main():
      rows = list(urllib.request.urlopen(DATASET_URL))
      selected = random.sample(rows, DATASET_SIZE)
      with open(TARGET_PATH, 'wb') as f:
          for row in selected:
              f.write(row)
  
  
  if __name__ == '__main__': main()
  
subject: Change dataset used in example (letter)