TFIDF proj commit

This commit is contained in:
Bartusiak 2020-05-05 15:19:10 +02:00
parent 05327feaf1
commit d2b5466b05
4 changed files with 13 additions and 13 deletions

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@ -13,14 +13,13 @@ from sklearn.linear_model import LinearRegression
def create_dictionary(in_path):
tfDict = []
max_iteration = 60000
i=0;
with open(in_path,encoding='utf-8') as in_file:
for line in in_file:
for word in re.findall(r"[\w]+",line):
tfDict.append(word)
i+=1
if(i>=60014):
if(i>=50054):
break
return tfDict
##
@ -32,7 +31,7 @@ def train():
tfidf = TfidfVectorizer(stop_words='english', ngram_range=(1,1)) #Konwertuje tekst w dokumencie do macierzy tfidf , ngram_range - lb słów w sekwencji
x = tfidf.fit_transform(created_dictionary)
#PCA - principal component analysis
pca = TruncatedSVD(n_components=300) # Liniowa redukcja wymiarów , n_components - Pożądana wymiarowość danych wyjściowych
pca = TruncatedSVD(n_components=100) # Liniowa redukcja wymiarów , n_components - Pożądana wymiarowość danych wyjściowych
x_pca = pca.fit_transform(x)
l_regression = LinearRegression()
l_regression.fit(x_pca,expected_dictionary)
@ -42,7 +41,4 @@ def train():
with open('tfidf_model.pkl', 'wb') as f:
pickle.dump(tfidf,f)
#y = tfidf.transform(x)
#print(y);
train()

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@ -1,10 +1,19 @@
import pickle
from typing import re
import numpy as np
from sklearn.decomposition import PCA
from linear_regression import create_dictionary
from sklearn.feature_extraction.text import TfidfVectorizer
from sklearn.decomposition import TruncatedSVD
def create_dictionary(in_path):
tfDict = []
with open(in_path,encoding='utf-8') as in_file:
for line in in_file:
for word in re.findall(r"[\w]+",line):
tfDict.append(word)
return tfDict
def predict():
input_file = open("l_regression.pkl",'rb')
l_regression = pickle.load(input_file)
@ -17,7 +26,7 @@ def predict():
testA_vector = tfidf.fit_transform(testA)
#print(testA_vector)
pca = TruncatedSVD(n_components=300)
pca = TruncatedSVD(n_components=100)
dev0_pca = pca.fit_transform(dev0_vector)
testA_pca = pca.fit_transform(testA_vector)
@ -32,9 +41,4 @@ def predict():
foo = np.array(y_test)
np.savetxt(output,foo)
#print(y_test)
# dev0_vectorizer =
predict()

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