diff scripts/evaluation_stats.py @ 251:3c5689af726b

Scripts: evaluation_stats.py added to quickly show a report on tests done so far (to be expanded)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/evaluation_stats.py	Wed Jul 01 11:09:17 2015 +0100
@@ -0,0 +1,105 @@
+#!/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
+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])
+            
+            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 "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