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k_means_evaluation.py
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k_means_evaluation.py
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import sys
import os
import csv
import json
from collections import OrderedDict
def print_help_string():
print('''
Usage: python3 {} [arguments]
Arguments:
-lc filename.csv Loads classifications from specified csv file
-lj filename.json Loads classifications from specified json file
-c class_id Specifies the class id (ie. status, role, gender, etc.)
-s Silent: Do not print output
-wt Writes output to text file
-wc Writes output to csv files
-wj Writes output to json file
-v Verbose: Include more detail in printed and written reports
-n name Name of matrix, used in printing but not in filenames
-t title Title of run, used in output filenames
-d directory Directory in which to write output files
-zc filename.csv Loads Z-scores from specified csv file
-zj filename.json Loads Z-scores from specified json file
'''.format(sys.argv[0]))
class ConfusionMatrix:
def __init__(self, char_dict=None, class_id=None, name=None):
self.data = OrderedDict()
self.matrix = OrderedDict()
self.char_matrix = OrderedDict()
self.class_id = ''
self.name = ''
self.z_scores = OrderedDict()
if char_dict and class_id:
self.build(char_dict, class_id, name)
if name:
self.name = name
def build(self, char_dict, class_id, name=None):
self.class_id = class_id
if name:
self.name = name
self.data = OrderedDict(char_dict)
self.matrix = OrderedDict()
self.char_matrix = OrderedDict()
self.z_scores = OrderedDict()
for c in self.get_classes():
self.matrix[c] = OrderedDict()
self.char_matrix[c] = OrderedDict()
for group in self.get_groups():
count = 0
self.char_matrix[c][group] = []
for char in self.get_characters():
if char_dict[char][class_id] == c:
if char_dict[char]['k_means_cluster'] == group:
count += 1
self.char_matrix[c][group].append(char)
self.matrix[c][group] = count
return self
def load_csv(self, filename):
char_dict = OrderedDict()
with open(filename, newline='') as csv_in:
reader = csv.DictReader(csv_in)
for entry in reader:
char = entry['character']
char_dict[char] = entry
self.data = char_dict
return self
def load_json(self, filename):
char_dict = OrderedDict()
with open(filename) as json_in:
char_dict = json.load(json_in)
self.data = char_dict
return self
def pretty_matrix(self, matrix=None, name='', percents=False):
if not matrix:
matrix = self.matrix
if not name:
name = self.name
if not name:
name = 'K Means Matrix'
lines = []
dash_width = (76 - len(name)) // 2
title = '{:^80}'.format(name)
lines.append(title)
lines.append('')
lines.append('{:^80}'.format('rows : classes :: columns : groups'))
lines.append('')
classes = self.get_classes()
groups = self.get_groups()
line = '{:^10}|' + ('{:^10}|' * len(groups)) # Separated so that inner borders can be removed
header_args = [''] + groups
newline = line.format(*header_args)
lines.append('{:^80}'.format(line.format(*header_args)))
break_args = ['—'*10] * (len(classes) + 1)
lines.append('{:^80}'.format(line.format(*break_args)))
if percents:
counts_line = '{:^10}|' + ('{:^10.2%}|' * len(groups)) # Separated so that inner borders can be removed
else:
counts_line = line
for c in classes:
values = [matrix[c][group] for group in groups]
row_args = [c] + values
lines.append('{:^80}'.format(counts_line.format(*row_args)))
break_args = ['—'*10] * (len(groups) + 1)
lines.append('{:^80}'.format(line.format(*break_args)))
lines.append('\n')
return '\n'.join(lines)
def print_matrix(self, matrix=None, name='', percents=False):
print(self.pretty_matrix(self, name, percents))
def get_characters(self):
return sorted(self.data)
def get_classes(self):
characters = self.get_characters()
classes = set()
for char in characters:
classes.add(self.data[char][self.class_id])
return sorted(classes)
def get_groups(self):
characters = self.get_characters()
groups = set()
for char in characters:
groups.add(self.data[char]['k_means_cluster'])
return sorted(groups)
def get_matrix(self):
return self.matrix
def get_character_matrix(self):
return self.char_matrix
def get_percent_matrix(self):
total = self.get_total()
if total == 0:
total = 1
classes = self.get_classes()
groups = self.get_groups()
percent_matrix = OrderedDict()
for c in classes:
percent_matrix[c] = OrderedDict()
for group in groups:
percent_matrix[c][group] = self.matrix[c][group] / total
return percent_matrix
def get_percent_matrix_given_class(self):
classes = self.get_classes()
groups = self.get_groups()
percent_matrix = OrderedDict()
for c in classes:
percent_matrix[c] = OrderedDict()
class_total = self.get_class_total(c)
if class_total == 0:
class_total = 1
for group in groups:
percent_matrix[c][group] = self.matrix[c][group] / class_total
return percent_matrix
def get_percent_matrix_given_group(self):
classes = self.get_classes()
groups = self.get_groups()
percent_matrix = OrderedDict()
for c in classes:
percent_matrix[c] = OrderedDict()
for group in groups:
group_total = self.get_group_total(group)
if group_total == 0:
group_total = 1
percent_matrix[c][group] = self.matrix[c][group] / group_total
return percent_matrix
def get_total(self):
classes = self.get_classes()
groups = self.get_groups()
total = 0
for c in classes:
for group in groups:
total += self.matrix[c][group]
return total
def get_class_total(self, c):
groups = self.get_groups()
total = 0
for group in groups:
total += self.matrix[c][group]
return total
def get_group_total(self, group):
classes = self.get_classes()
total = 0
for c in classes:
total += self.matrix[c][group]
return total
def get_class_percent(self, c):
total = self.get_total()
if total == 0:
total = 1
class_total = self.get_class_total(c)
return class_total / total
def get_group_percent(self, group):
total = self.get_total()
if total == 0:
total = 1
group_total = self.get_group_total(group)
return group_total / total
def get_class_characters(self, c):
characters = []
groups = self.get_groups()
for group in groups:
characters += self.char_matrix[c][group]
return sorted(characters)
def get_group_characters(self, group):
characters = []
classes = self.get_classes()
for c in classes:
characters += self.char_matrix[c][group]
return sorted(characters)
def get_character_z_scores(self, char_code):
return self.z_scores[char]
def get_class_z_scores(self, c):
class_characters = self.get_class_characters(c)
phoneme_list = sorted(self.z_scores[self.get_characters()[0]])
sums = OrderedDict()
means = OrderedDict()
for phoneme in phoneme_list:
sums[phoneme] = 0
for char in class_characters:
sums[phoneme] += self.z_scores[char][phoneme]
if len(class_characters) > 0:
means[phoneme] = sums[phoneme] / len(class_characters)
else:
means[phoneme] = 'N/A'
class_z_scores = means
return class_z_scores
def get_group_z_scores(self, group):
group_characters = self.get_group_characters(c)
phoneme_list = sorted(self.z_scores[self.get_characters()[0]])
sums = OrderedDict()
means = OrderedDict()
for phoneme in phoneme_list:
sums[phoneme] = 0
for char in group_characters:
sums[phoneme] += self.z_scores[char][phoneme]
if len(group_characters) > 0:
means[phoneme] = sums[phoneme] / len(group_characters)
else:
means[phoneme] = 'N/A'
group_z_scores = means
return group_z_scores
def get_summary(self, verbose=False):
lines = []
title = 'Summary: {}'.format(self.name)
lines.append('{:^80}\n\n'.format(title))
line = '{:>38} = {:<39}'
percent_line = '{:>38} = {:<39.2%}'
lines.append(self.pretty_matrix(name='K Means Matrix'))
classes = self.get_classes()
groups = self.get_groups()
if verbose:
lines.append(line.format('Total samples', self.get_total()))
lines.append('')
for c in classes:
lines.append(line.format('Total class "{}"'.format(c), self.get_class_total(c)))
lines.append('\n')
for group in groups:
lines.append(line.format('Total group "{}"'.format(group), self.get_group_total(group)))
lines.append('\n')
percent_matrix = self.get_percent_matrix()
lines.append(self.pretty_matrix(percent_matrix, 'Percent Matrix', True))
if verbose:
for c in classes:
lines.append(percent_line.format('Percent class "{}"'.format(c), self.get_class_percent(c)))
lines.append('\n')
for group in groups:
lines.append(percent_line.format('Percent group "{}"'.format(group), self.get_group_percent(group)))
lines.append('\n')
percent_matrix_class = self.get_percent_matrix_given_class()
lines.append(self.pretty_matrix(percent_matrix_class, 'Percent Matrix with Total of Each Class = 100%', True))
percent_matrix_group = self.get_percent_matrix_given_group()
lines.append(self.pretty_matrix(percent_matrix_group, 'Percent Matrix with Total of Each Group = 100%', True))
if self.z_scores:
lines.append('\n{:^80}\n\n'.format('Class Average Z-Scores'))
for c in classes:
lines.append('{:^80}'.format('Class "{}" Average Z-Scores:'.format(c)))
class_z_scores = self.get_class_z_scores(c)
phoneme_list = sorted(class_z_scores)
line = ''
for phoneme in phoneme_list:
if len(line) >= 80:
lines.append(line)
line = ''
if type(class_z_scores[phoneme]) == type('a'):
line += '{:>3}: {:<5} '.format(phoneme, class_z_scores[phoneme])
else:
line += '{:>3}: {:5.2f} '.format(phoneme, class_z_scores[phoneme])
if line:
lines.append(line)
lines.append('\n')
lines.append('\n{:^80}\n\n'.format('Group Average Z-Scores'))
for group in groups:
lines.append('{:^80}'.format('Group "{}" Average Z-Scores:'.format(group)))
group_z_scores = self.get_group_z_scores(group)
phoneme_list = sorted(class_z_scores)
line = ''
for phoneme in phoneme_list:
if len(line) >= 80:
lines.append(line)
line = ''
if type(group_z_scores[phoneme]) == type('a'):
line += '{:>3}: {:<5} '.format(phoneme, group_z_scores[phoneme])
else:
line += '{:>3}: {:5.2f} '.format(phoneme, group_z_scores[phoneme])
if line:
lines.append(line)
lines.append('\n')
lines.append('\n')
if verbose:
lines.append('\n{:^80}\n\n'.format('Characters:'))
for c in classes:
for group in groups:
lines.append('{:^80}\n'.format('Class "{}" in Group "{}":'.format(c, group)))
chars = self.char_matrix[c][group]
i = 0
line = ''
for i in range(len(chars)):
if len(line + '\t\t' + chars[i]) > 80:
lines.append(line.lstrip('\t'))
line = ''
line += '\t\t' + chars[i]
lines.append(line.lstrip('\t'))
lines.append('\n')
return '\n'.join(lines)
def get_csv(self, matrix=None):
if not matrix:
matrix = self.matrix
lines = []
classes = list(matrix.keys())
groups = list(matrix[classes[0]].keys())
lines.append(','.join(['R:C::C:G'] + classes))
for c in classes:
values = [str(matrix[c][group]) for group in groups]
lines.append(','.join([c] + values))
return '\n'.join(lines)
def get_json(self):
out_dict = {}
out_dict['name'] = self.name
out_dict['data'] = self.data
out_dict['matrix'] = self.matrix
out_dict['character_matrix'] = self.char_matrix
if self.z_scores:
out_dict['z_scores'] = self.z_scores
out_dict['percent_matrix'] = self.get_percent_matrix()
out_dict['percent_matrix_given_class'] = self.get_percent_matrix_given_class()
out_dict['percent_matrix_given_group'] = self.get_percent_matrix_given_group()
out_dict['total'] = self.get_total(),
out_dict['classes'] = {}
classes = self.get_classes()
for c in classes:
out_dict['classes'][c] = {}
out_dict['classes'][c]['total'] = self.get_class_total(c)
out_dict['classes'][c]['percent'] = self.get_class_percent(c)
out_dict['classes'][c]['characters'] = self.get_class_characters(c)
if self.z_scores:
out_dict['classes'][c]['z_scores'] = self.get_class_z_scores(c)
out_dict['groups'] = {}
groups = self.get_groups()
for group in groups:
out_dict['groups'][group] = {}
out_dict['groups'][group]['total'] = self.get_group_total(group)
out_dict['groups'][group]['percent'] = self.get_group_percent(group)
out_dict['groups'][group]['characters'] = self.get_group_characters(group)
if self.z_scores:
out_dict['groups'][group]['z_scores'] = self.get_group_z_scores(group)
return out_dict
def create_directory(self, directory):
if not os.path.isdir(directory):
path = directory.rstrip('/').split('/')
for i in range(len(path)):
path_chunk = '/'.join(path[:i+1])
if not os.path.isdir(path_chunk):
os.mkdir(path_chunk)
def print_summary(self, verbose=False):
print(self.get_summary(verbose))
def write_text(self, title='', directory='', verbose=False):
if directory != '':
directory = directory.rstrip('/') + '/'
self.create_directory(directory)
if title:
title += '_'
filename = directory + title + 'k-means-matrix.txt'
with open(filename, 'w') as outfile:
print(self.get_summary(verbose), file=outfile)
def write_csv(self, title='', directory=''):
if directory != '':
directory = directory.rstrip('/') + '/'
self.create_directory(directory)
if title:
title += '_'
counts_filename = directory + title + 'k-means-matrix-counts.csv'
with open(counts_filename, 'w') as outfile:
print(self.get_csv(), file=outfile)
percents_filename = directory + title + 'k-means-matrix-percents.csv'
with open(percents_filename, 'w') as outfile:
print(self.get_csv(self.get_percent_matrix()), file=outfile)
percents_given_class_filename = directory + title + 'k-means-matrix-percents-given-class.csv'
with open(percents_given_class_filename, 'w') as outfile:
print(self.get_csv(self.get_percent_matrix_given_class()), file=outfile)
percents_given_group_filename = directory + title + 'k-means-matrix-percents-given-group.csv'
with open(percents_given_group_filename, 'w') as outfile:
print(self.get_csv(self.get_percent_matrix_given_group()), file=outfile)
def write_json(self, title='', directory=''):
out_dict = self.get_json()
if directory != '':
directory = directory.rstrip('/') + '/'
self.create_directory(directory)
if title:
title += '_'
filename = directory + title + 'k-means-matrix.json'
with open(filename, 'w') as outfile:
json.dump(out_dict, outfile)
def main(in_csv='', in_json='', class_id='', silent=False, wt=False, wc=False, wj=False, verbose=False, name='', title='', directory='', z_csv='', z_json=''):
if in_csv and in_json:
print('ERROR: Conflicting input files')
print_help_string()
quit()
if class_id == '':
print('ERRPR: Missing class id')
print_help_string()
quit()
if z_csv and z_json:
print('ERROR: Conflicting Z-score input files')
print_help_string()
quit()
if title and not name:
name = title
matrix = ConfusionMatrix()
if in_csv:
matrix.load_csv(in_csv)
elif in_json:
matrix.load_json(in_json)
matrix.build(matrix.data, class_id, name)
if z_csv:
matrix.load_z_scores_csv(z_csv)
elif z_json:
matrix.load_z_scores_json(z_json)
if not silent:
matrix.print_summary(verbose)
if wt:
matrix.write_text(title, directory, verbose)
if wc:
matrix.write_csv(title, directory)
if wj:
matrix.write_json(title, directory)
if __name__ == '__main__':
lc = ''
lj = ''
class_id = ''
silent = False
wt = False
wc = False
wj = False
verbose = False
name = ''
title = ''
directory = ''
zc = ''
zj = ''
i = 1
unrecognized = []
while i < len(sys.argv):
if sys.argv[i] == '-h':
print_help_string()
quit()
elif sys.argv[i] == '-lc':
if i+1 < len(sys.argv) and sys.argv[i+1][0] != '-':
i += 1
lc = sys.argv[i]
else:
unrecognized.append('-lc: Missing Specifier')
elif sys.argv[i] == '-lj':
if i+1 < len(sys.argv) and sys.argv[i+1][0] != '-':
i += 1
lj = sys.argv[i]
else:
unrecognized.append('-lj: Missing Specifier')
elif sys.argv[i] == '-c':
if i+1 < len(sys.argv) and sys.argv[i+1][0] != '-':
i += 1
class_id = sys.argv[i]
else:
unrecognized.append('-c: Missing Specifier')
elif sys.argv[i] == '-s':
silent = True
elif sys.argv[i] == '-wt':
wt = True
elif sys.argv[i] == '-wc':
wc = True
elif sys.argv[i] == '-wj':
wj = True
elif sys.argv[i] == '-v':
verbose = True
elif sys.argv[i] == '-n':
if i+1 < len(sys.argv) and sys.argv[i+1][0] != '-':
i += 1
name = sys.argv[i]
else:
unrecognized.append('-n: Missing Specifier')
elif sys.argv[i] == '-t':
if i+1 < len(sys.argv) and sys.argv[i+1][0] != '-':
i += 1
title = sys.argv[i]
else:
unrecognized.append('-t: Missing Specifier')
elif sys.argv[i] == '-d':
if i+1 < len(sys.argv) and sys.argv[i+1][0] != '-':
i += 1
directory = sys.argv[i]
else:
unrecognized.append('-d: Missing Specifier')
elif sys.argv[i] == '-zc':
if i+1 < len(sys.argv) and sys.argv[i+1][0] != '-':
i += 1
zc = sys.argv[i]
else:
unrecognized.append('-zc: Missing Specifier')
elif sys.argv[i] == '-zj':
if i+1 < len(sys.argv) and sys.argv[i+1][0] != '-':
i += 1
zj = sys.argv[i]
else:
unrecognized.append('-zj: Missing Specifier')
else:
unrecognized.append(sys.argv[i])
i += 1
if lc == '' and lj == '':
unrecognized.append('Missing input file: Please specify with -lc or -lj')
elif lc != '' and lj != '':
unrecognized.append('Conflicting input files: Please include only one of -lc or -lj')
if class_id == '':
unrecognized.append('Missing class id: Please specify with -c')
if zc != '' and zj != '':
unrecognized.append('Conflicting Z-score input files: Please include only one of -zc or -zj')
if len(unrecognized) > 0:
print('\nERROR: Unrecognized Arguments:')
for arg in unrecognized:
print(arg)
print_help_string()
else:
main(lc, lj, class_id, silent, wt, wc, wj, verbose, name, title, directory, zc, zj)