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کد:
import sklearn
from sklearn import datasets
from sklearn.decomposition import TruncatedSVD
from sklearn.preprocessing import Normalizer
from sklearn.pipeline import make_pipeline
from sklearn.random_projection import sparse_random_matrix
print("linear svm")
data_train =sklearn.datasets.load_files('F:/arshad/out put1', description=None, categories=None, load_content=True, shuffle=True, encoding='utf-8', decode_error='strict', random_state=0)
data_test = sklearn.datasets.load_files('C:/Users/parya/Desktop/data/100-1/test', description=None, categories=None, load_content=True, shuffle=True, encoding='utf-8', decode_error='strict', random_state=0)
categories = data_train.target_names
y_train, y_test = data_train.target, data_test.target
import codecs
file = codecs.open('F:/s.txt','r','utf-8')
stopwords = file.read().split('\n')
from sklearn.feature_extraction.text import TfidfVectorizer
vectorizer = TfidfVectorizer(sublinear_tf=True,max_df = 0.5 ,stop_words=stopwords)
X_train = vectorizer.fit_transform(data_train.data)
X_train

svd = TruncatedSVD(n_components=380, algorithm='randomized', n_iter=100, random_state=None, tol=0.0)
normalizer = Normalizer(copy=False)
lsa = make_pipeline(svd, normalizer)
X = lsa.fit_transform(X_train)
from sklearn.svm import LinearSVC
LinearSVC(loss='l2', penalty='l2', dual=False, tol=1e-3)
clf = LinearSVC().fit(X, y_train)
X_test = vectorizer.transform(data_test.data)
predicted = clf.predict(X_test)
import numpy as np
print(np.mean(predicted == y_test))
from sklearn import metrics
print(metrics.classification_report(y_test, predicted,target_names=data_test.target_names))
metrics.confusion_matrix(y_test, predicted)


ارور برنامه:
ValueError: X has 2430 features per sample; expecting 150