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September 27, 2020 06:01
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LR on sklearn
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from sklearn.linear_model import LogisticRegression | |
from sklearn.model_selection import train_test_split | |
from sklearn.metrics import classification_report | |
X = [] | |
y = [] | |
lines = open('data.csv').readlines() | |
for line in lines[1:]: | |
line = line.strip() | |
if not line: | |
continue | |
id, _y, _x1, _x2 = line.split(',') | |
X.append([int(_x1), int(_x2)]) | |
y.append(int(_y)) | |
X_train, y_train = X, y | |
X_test, y_test = X, y | |
# X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2) | |
model = LogisticRegression(max_iter=50) | |
model.fit(X_train, y_train) | |
score = model.score(X_test, y_test) | |
print(score) | |
print(dir(model)) | |
print(model.coef_) | |
print(model.intercept_) | |
print(model.max_iter) | |
print(model.n_iter_) | |
print('--------------------') | |
y_pred = model.predict(X_test) | |
print(classification_report(y_test, y_pred)) | |
print('------------') | |
xx = (21, 52) | |
print(model.predict([xx])) | |
print(model.predict_proba([xx])) | |
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