Код: Выделить всё
from sklearn.datasets import fetch_california_housing
from sklearn.model_selection import train_test_split
from sklearn.ensemble import RandomForestRegressor
from sklearn.metrics import mean_squared_error
import numpy as np
california_housing = fetch_california_housing()
X = california_housing.data
y = california_housing.target
X_train, X_test, y_train, y_test = train_test_split(X, y, random_state=42)
rf_reg = RandomForestRegressor(random_state=42)
rf_reg.fit(X_train, y_train)
y_pred = rf_reg.predict(X_test)
mse = mean_squared_error(y_test, y_pred)
rmse = np.sqrt(mse)
print(rms)
URLError:
