from sklearn.feature_extraction.text import TfidfVectorizer
from sklearn.linear_model import SGDClassifier
from sklearn.linear_model import LogisticRegression
from sklearn.externals import joblib
from os.path import basename
"""
import os
os.chdir('C:/Users/ngaude/Documents/GitHub/kaggle/cdiscount/')
"""
########################
# Normalisation
########################
"""
normalize_file(ddir + 'test.csv',header(test=True))
normalize_file(ddir + 'validation.csv',header())
normalize_file(ddir + 'training_shuffled.csv',header())
"""
def score(df,vec,cla,target):
X = vec.transform(iterText(df))
Y = list(df[target])
sc = cla.score(X,Y)
return sc
def vectorizer(df):
# 1M max_features should fit in memory,
# OvA will be at max 184 classes,
# so we can fit coef_ = 1M*184*8B ~ 1GB in memory easily
from utils import ddir,normalize_file normalize_file(ddir + 'test.csv',header(test=True)) normalize_file(ddir + 'training_shuffled.csv',header())
import numpy as np
import pandas as pd
from sklearn.feature_extraction.text import TfidfVectorizer
from sklearn.linear_model import SGDClassifier
from sklearn.linear_model import LogisticRegression
from sklearn.externals import joblib
from os.path import basename
"""
import os
os.chdir('C:/Users/ngaude/Documents/GitHub/kaggle/cdiscount/')
"""
########################
# Normalisation
########################
"""
normalize_file(ddir + 'test.csv',header(test=True))
normalize_file(ddir + 'validation.csv',header())
normalize_file(ddir + 'training_shuffled.csv',header())
"""
def score(df, vec, cla, target):
X = vec.transform(iterText(df))
Y = list(df[target])
sc = cla.score(X, Y)
return sc
def vectorizer(df):
# 1M max_features should fit in memory,