文章目录1. Introduction2. Missing Values 缺失值处理3. Categorical Variables 文字变量处理 from https://www.kaggle.com/learn/intermediate-machine-learning 1. Introduction 按照教程给的7个特征，给定5种参数下的随机森林模型，选出mae误差最小的，进行提交 import pandas as pd from sklearn.model_selection impor