Its a regression problem with one feature inputted. I wrote this script for fun and for the preparation of oncoming Mathematical modeling contest(also simply in order to complete the task of a daily b...
Simple Linear Regression Step 1: Data Preprocessing import pandas as pd import numpy as np import matplotlib.pyplot as plt dataset = pd.read_csv(studentscores.csv) X = dataset.iloc[ : , : 1 ].valu...
...的Yann LeCun教授的网站获取。 本文首先使用sklearn的LogisticRegression()进行训练,得到的参数绘制效果如下(红色表示参数估计结果为负,蓝色表示参数估计结果为正,绿色代表参数估计结果为零): 从图形效果看,我们发现蓝色...
Logistics regression from sklearn.linear_model import LogisticRegression clf = LogisticRegression() clf.fit(x_train, y_train) 准确率与召回率 准确率:scikit-learn提供了accuracy_score来计算:LogisticRegression.score()...
数据来源:https://www.kaggle.com/bmarco... 文章原始地址: https://www.kaggle.com/zanlai... 因为Kaggle在国内难以打开,所以搬运了这篇个人文章。
...录 前言 第一周:Welcome 1.1 What is Machine Learning? 1.2 Linear Regression with One Variable 第二周:Linear Regression with Multiple Variables 2.1 Multivariate Linear Regression 2.2 Computing Parameter...
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