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project2_resume_model_2.py
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project2_resume_model_2.py
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# -*- coding: utf-8 -*-
"""
Created on Sat Dec 29 22:55:41 2018
@author: fourn
"""
import project2_language_model_2 as lm
import project2_utils as utils
import numpy as np
from keras.models import load_model
from sklearn import cross_validation, svm
from scipy.stats import spearmanr
import io
import os
from sklearn.externals import joblib
def data_load(path):
file = io.open(path, encoding='utf-8')
text = file.read()
file.close()
return text
def dataset_preparation(data):
# Get list of phrases : ['NN FF EE TT', 'FF SS LL'...]
phrases = data.split("\n")
print('Number phrases : ', len(phrases))
# Get list of list of list of resume : [[['NN', 'FF', 'EE', 'TT'], ['FF', 'SS', 'LL']],...]]
len_resumes = 0
resumes = []
notes = []
temp = []
column1 = ''
column2 = ''
note = 0
if(len(phrases) > 0):
phrase = phrases[0].split(" ")
utils.remove_in_list("...", phrase)
column1 = phrase[0]
column2 = phrase[1]
note = phrase[2]
temp.append(phrase[3:])
for i in range(1, len(phrases)):
phrase = phrases[i].split(" ")
utils.remove_in_list("...", phrase)
if(len(phrase)>3):
if(phrase[0] != column1 or phrase[1] != column2):
column1 = phrase[0]
column2 = phrase[1]
len_resumes += 1
notes.append(note)
resumes.append(temp)
temp = []
temp.append(phrase[3:])
else:
note = phrase[2]
temp.append(phrase[3:])
notes = list(map(int, notes))
return resumes, notes
def text_to_sequence_perso(resume, char_indices):
temp = []
final = []
for line in resume:
temp = []
for word in line:
temp.append(char_indices[word])
final.append(temp)
return final
def tokenization(resumes, char_indices):
new_resumes = []
for resume in resumes:
new_resumes.append(text_to_sequence_perso(resume, char_indices))
return new_resumes
def stat(real_estimation, success):
stat = []
stat.append(max(real_estimation))
stat.append(min(real_estimation))
stat.append(sum(real_estimation))
stat.append(np.mean(real_estimation))
stat.append(np.median(real_estimation))
stat.append(np.std(real_estimation))
stat.append(sum(success))
stat.append(np.mean(success))
stat.append(np.median(success))
stat.append(np.std(success))
return stat
def get_stats(resumes, maxlen, model, total_words, chars, type_predictor):
# For each resume, get the prediction
stats = [] # 1 line per resume with different stats : list of list
for i in range(len(resumes)):
predictors, labels = lm.predictors_label(resumes[i], maxlen, total_words, type_predictor)
char_preds, real_estimation, success = lm.predict_char(model, predictors, labels, maxlen, chars)
stats.append(stat(real_estimation, success))
return stats
def train_valid(x, y):
x_train, x_valid, y_train, y_valid = cross_validation.train_test_split(x, y, test_size=0.2)
return x_train, x_valid, y_train, y_valid
def create_model(x_train, y_train, x_valid, y_valid):
# build the model: a single SVM
model = svm.SVC()
model.fit(x_train, y_train)
print('Accuracy of SVM classifier on training set: {:.2f}'.format(model.score(x_train, y_train)))
print('Accuracy of SVM classifier on test set: {:.2f}'.format(model.score(x_valid, y_valid)))
return model
def predict_notes(model, resumes, maxlen, model_language, total_words, chars, char_indices, type_predictor):
new_resumes = tokenization(resumes, char_indices)
stats = get_stats(new_resumes, maxlen, model_language, total_words, chars, type_predictor)
return model.predict(stats)
def principal():
exists = os.path.isfile('data/model_language_cnn_2.h5')
if exists == False:
lm.principal()
model_language = load_model("data/model_language_cnn_2.h5")
char_indices = utils.load_json('data/char_indice_cnn_2')
chars = utils.load_json('data/chars_cnn_2')
total_words = len(char_indices)
type_predictor = utils.type_predictor
maxlen = utils.maxlen
print('Data Load...')
data = data_load('Corpus/input_learning_gramm_ST_2007.txt')
print('Dataset preparation...')
resumes, notes = dataset_preparation(data)
del data
print(resumes[0])
print(notes[0])
print('Total resume : ', len(resumes))
print('Total notes : ', len(notes))
print('Total notes 1 : ', notes.count(1))
print('Total notes 2 : ', notes.count(2))
print('Total notes 3 : ', notes.count(3))
print('Total notes 4 : ', notes.count(4))
print('Total notes 5 : ', notes.count(5))
print("Tokenization...")
new_resumes = tokenization(resumes, char_indices)
del resumes, char_indices
print('Get stats...')
stats = get_stats(new_resumes, maxlen, model_language, total_words, chars, type_predictor)
del new_resumes, model_language
print('Number of stats : ', len(stats))
print("Train Valid...")
x_train, x_valid, y_train, y_valid= train_valid(stats, notes)
del notes, stats
print('Len x_train : ', len(x_train))
print('Len y_train : ', len(y_train))
print('Len x_valid : ', len(x_valid))
print('Len y_valid : ', len(y_valid))
print("Spearman de x_train : ", spearmanr(x_train))
print('Build model...')
model = create_model(x_train, y_train, x_valid, y_valid)
print(model.score(x_valid, y_valid))
del x_train, y_train, x_valid, y_valid
joblib.dump(model, 'data/model_resume_2.sav')
print('Model saved')
principal()