记录scikit learn库的使用~~~
Logistic Regression
Loading Dataset
import numpy as np
X = np.array([[0.5, 1.5], [1,1], [1.5, 0.5], [3, 0.5], [2, 2], [1, 2.5]])y = np.array([0, 0, 0, 1, 1, 1])Split the train/test set
from sklearn.model_selection import train_test_split
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.1, random_state=42)Fit the Model
from sklearn.linear_model import LogisticRegression
lr_model = LogisticRegression()lr_model.fit(X, y)Make Predictions
y_pred = lr_model.predict(X)
print("Prediction on training set:", y_pred)Evaluate Accuracy
print("Accuracy on training set:", lr_model.score(X, y))