vvarma

# Importing a few necessary libraries
import matplotlib.pyplot as pl
import numpy as np
import pandas as pd
from sklearn import datasets
from sklearn.cross_validation import train_test_split
from sklearn.tree import DecisionTreeRegressor
from sklearn.metrics import make_scorer, mean_squared_error
from sklearn.grid_search import GridSearchCV
from sklearn import tree

vvarma

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *