old_contents: from pandas import read_csv
  import numpy as np
  num = 1
  while(num < 16):
       dataset = read_csv('data/%d.csv' % (num), header=None)
       dataArray = dataset.as_matrix()
       if num == 1:
            allData = dataArray
       else:
           np.append(allData, dataArray)
       num += 1
  
  print(allData)
  
  
     # dataset = read_csv('data/%d.csv' % (num), header=None)
  
      #print(dataset.head(20))
new_contents: from pandas import read_csv
  import numpy as np
  #header= ['sequentialNumber','xAcceleration','yAcceleration','zAcceleration','lable']
  num = 2
  allData=read_csv('data/1.csv', header=None)
  while(num < 16):
      dataset = read_csv('data/%d.csv' % (num), header=None)
      allData = allData.append(dataset,ignore_index=False,verify_integrity=False)
      num += 1
  
  print(allData)
  
  
     # dataset = read_csv('data/%d.csv' % (num), header=None)
  
      #print(dataset.head(20))
subject: change import of data from csv