analyze_factor

import sys
import getopt
import csv
import re
import mdp
import numpy

def read_responses():
    r = csv.reader(open('test_group_responses.csv'))
    return numpy.array([ line for line in r])

# Fills in respondents z-score fields for every question group in which they answered all the questions
def compute_zscores(responses):

    node = mdp.nodes.FANode(output_dim=1,max_cycles=200,tol=0.00001)
    zscores = node(numpy.array(responses,'float32')).transpose()[0]

    return zscores

def main():
    responses = read_responses()
    zscores = compute_zscores(responses)
    print zscores

if __name__ == "__main__":
    sys.exit(main())