view scripts/evaluation_stats.py @ 262:edc386c86c86

Scripts: evaluation_stats bug fixes

#!/usr/bin/python
# -*- coding: utf-8 -*-

import xml.etree.ElementTree as ET
import os

# XML results files location (modify as needed):
folder_name = "../saves"    # Looks in 'saves/' folder from 'scripts/' folder

# Turn number of seconds (int) to '[minutes] min [seconds] s' (string)
def seconds2timestr(time_in_seconds):
    time_in_minutes = int(time_in_seconds/60)
    remaining_seconds = int(time_in_seconds%60)
    return str(time_in_minutes) + " min " + str(remaining_seconds) + " s"

# stats initialisation
number_of_XML_files = 0
number_of_pages = 0
number_of_fragments = 0
time_per_page_accum = 0

# arrays initialisation
page_names = []
page_count = []
duration_page = []      # duration of experiment in function of page
duration_subject = []
duration_order = []

# get every XML file in folder
files_list = os.listdir(folder_name)
for file in files_list: # iterate over all files in files_list
    if file.endswith(".xml"): # check if XML file
        number_of_XML_files += 1
        tree = ET.parse(folder_name + '/' + file)
        root = tree.getroot()
        
        print file # print file name (subject name)
        
        # reset for new subject
        total_duration = 0
        page_number = 0
        
        # get list of all page names
        for audioholder in root.findall("./audioholder"):   # iterate over pages
            page_name = audioholder.get('id')               # get page name
            
            if page_name is None: # ignore 'empty' audio_holders
                print "WARNING: " + file + " contains empty audio holder. (evaluation_stats.py)"
                break # move on to next
            
            # keep list of audioholder ids and count how many times each audioholder id was tested
            if page_name in page_names:
                page_index = page_names.index(page_name) # get index
                page_count[page_index] += 1
            else:
                page_names.append(page_name)
                page_count.append(1)
            
            # 'testTime' keeps total duration: subtract time so far for duration of this audioholder
            duration = float(audioholder.find("./metric/metricresult[@id='testTime']").text) - total_duration
            
            # total duration of test
            total_duration += duration
            
            # print audioholder id and duration
            print "    " + page_name + ": " + seconds2timestr(duration)
            
            # keep track of duration in function of page index
            if len(duration_order)>page_number:
                duration_order[page_number].append(duration)
            else:
                duration_order.append([duration])

            # number of audio elements
            audioelements = audioholder.findall("./audioelement") # get audioelements
            number_of_fragments += len(audioelements) # add length of this list to total
            
            page_number += 1 # increase page count for this specific test
            number_of_pages += 1 # increase total number of pages
            time_per_page_accum += duration # total duration (for average time spent per page)

        # print total duration of this test
        print "    TOTAL: " + seconds2timestr(total_duration)


# PRINT EVERYTHING

print "Number of XML files: " + str(number_of_XML_files)
print "Number of pages: " + str(number_of_pages)
print "Number of fragments: " + str(number_of_fragments)
print "Average time per page: " + seconds2timestr(time_per_page_accum/number_of_pages)
page_count_strings = list(str(x) for x in page_count)
count_list = page_names + page_count_strings
count_list[::2] = page_names
count_list[1::2] = page_count_strings
print "Pages tested: " + str(count_list)

# Average duration for first, second, ... page
for page_number in range(len(duration_order)): #TODO make maximum page number automatic
    print "Average duration page " + str(page_number+1) + ": " +\
        seconds2timestr(sum(duration_order[page_number])/len(duration_order[page_number])) +\
            " ("+str(len(duration_order[page_number]))+" subjects)"


#TODO
# time per page in function of number of fragments (plot)
# time per participant in function of number of pages
# plot total time for each participant
# plot total time
# show 'count' per page (in order)

# clear up page_index <> page_count <> page_number confusion