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EvaluationSP.py
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EvaluationSP.py
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import warnings
warnings.filterwarnings("ignore")
import random
from collections import defaultdict
from multiprocessing import Process, Lock
import pickle
import os
import matplotlib
from sklearn.model_selection import ShuffleSplit, StratifiedKFold, StratifiedShuffleSplit
from AdaFairSP import AdaFairSP
from Competitors.SMOTEBoost import SMOTEBoost
from Competitors.boost_margin import marginAnalyzer
matplotlib.use('Agg')
import sys
sys.path.insert(0, 'DataPreprocessing')
import time
from Competitors.AdaCost import AdaCostClassifier
from DataPreprocessing.load_dutch_data import load_dutch_data
from DataPreprocessing.load_compas_data import load_compas
from DataPreprocessing.load_adult import load_adult
from DataPreprocessing.load_diabetes import load_diabetes
from DataPreprocessing.load_credit import load_credit
from DataPreprocessing.load_kdd import load_kdd
from DataPreprocessing.load_bank import load_bank
from my_useful_functions import calculate_performance_SP, plot_my_results_sp
class serialazible_list(object):
def __init__(self):
self.performance = []
def create_temp_files(dataset, suffixes):
for suffix in suffixes:
outfile = open(dataset + suffix, 'wb')
pickle.dump(serialazible_list(), outfile)
outfile.close()
if not os.path.exists("Images/"):
os.makedirs("Images/")
def delete_temp_files(dataset, suffixes):
for suffix in suffixes:
os.remove(dataset + suffix)
def predict(clf, X_test, y_test, sa_index, p_Group):
y_pred_probs = clf.predict_proba(X_test)[:, 1]
y_pred_labels = clf.predict(X_test)
return calculate_performance_SP(X_test, y_test, y_pred_labels, y_pred_probs, sa_index, p_Group)
def run_eval(dataset, iterations):
suffixes = [ 'Adaboost', 'AdaFair', 'SMOTEBoost', 'Fish et al.' ]
if dataset == "compass-gender":
X, y, sa_index, p_Group, x_control = load_compas("sex")
elif dataset == "compass-race":
X, y, sa_index, p_Group, x_control = load_compas("race")
elif dataset == "adult-gender":
X, y, sa_index, p_Group, x_control = load_adult("sex")
elif dataset == "adult-race":
X, y, sa_index, p_Group, x_control = load_adult("race")
elif dataset == "dutch":
X, y, sa_index, p_Group, x_control = load_dutch_data()
elif dataset == "bank":
X, y, sa_index, p_Group, x_control = load_bank()
elif dataset == "credit":
X, y, sa_index, p_Group, x_control = load_credit()
elif dataset == "diabetes":
X, y, sa_index, p_Group, x_control = load_diabetes()
elif dataset == "kdd":
X, y, sa_index, p_Group, x_control = load_kdd()
else:
exit(1)
create_temp_files(dataset, suffixes)
threads = []
mutex = []
for lock in range(0, 8):
mutex.append(Lock())
print (dataset)
random.seed(int(time.time()))
for iter in range(0, iterations):
sss = StratifiedShuffleSplit(n_splits=1, test_size=.5, random_state=iter)
for train_index, test_index in sss.split(X, y):
X_train, X_test = X[train_index], X[test_index]
y_train, y_test = y[train_index], y[test_index]
# for proc in range(0, 4):
# threads.append(Process(target=train_classifier, args=( X_train, X_test, y_train, y_test, sa_index, p_Group, dataset + suffixes[proc], mutex[proc],proc, 200, 1, dataset)))
threads.append(Process(target=train_classifier, args=( X_train, X_test, y_train, y_test, sa_index, p_Group, dataset + suffixes[1], mutex[1],1, 500, 1, dataset)))
break
for process in threads:
process.start()
for process in threads:
process.join()
results = []
for suffix in suffixes:
infile = open(dataset + suffix, 'rb')
temp_buffer = pickle.load(infile)
results.append(temp_buffer.performance)
infile.close()
plot_my_results_sp(results, suffixes, "Images/StatisticalParity/" + dataset, dataset)
delete_temp_files(dataset, suffixes)
def train_classifier(X_train, X_test, y_train, y_test, sa_index, p_Group, dataset, mutex, mode, base_learners, c, dataset_name):
if mode == 0:
classifier = AdaCostClassifier(saIndex=sa_index, saValue=p_Group, n_estimators=base_learners, CSB="CSB1")
elif mode == 1:
classifier = AdaFairSP(n_estimators=base_learners, saIndex=sa_index, saValue=p_Group, CSB="CSB1", c=c)
elif mode == 2:
if dataset_name == 'adult-gender' or dataset == 'bank':
samples = 100
elif dataset_name == 'compass-gender':
samples = 2
else:
samples = 500
classifier = SMOTEBoost(n_estimators=base_learners,saIndex=sa_index, n_samples=samples, saValue=p_Group, CSB="CSB1" )
else:
classifier=marginAnalyzer(X_train,y_train,sa_index=sa_index,p_Group=p_Group,numRounds=200)
if mode in [0,1,2]:
classifier.fit(X_train, y_train)
# y_pred_probs = classifier.predict_proba(X_test)[:, 1]
y_pred_labels = classifier.predict(X_test)
else:
y_pred_labels=classifier.pred(X_test)
# y_pred_probs=classifier.margin(classifier.clf,X_test)
# y_pred_probs=[abs(prob) for prob in y_pred_probs]
mutex.acquire()
infile = open(dataset, 'rb')
dict_to_ram = pickle.load(infile)
infile.close()
dict_to_ram.performance.append(
calculate_performance_SP(X_test, y_test, y_pred_labels, sa_index, p_Group))
outfile = open(dataset, 'wb')
pickle.dump(dict_to_ram, outfile)
outfile.close()
mutex.release()
if __name__ == '__main__':
run_eval("compass-gender", 3)
# run_eval("adult-gender", 10)
# run_eval("bank", 10)
# run_eval("kdd", 10)