机器学习与计算机视觉机器学习与模式识别

stanford公开课Machine Learning视频教程

2015-12-05  本文已影响318人  GarfieldEr007
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Machine Learning

by Andrew Ng


Course Description

In this course, you'll learn about some of the most widely used and successful machine learning techniques. You'll have the opportunity to implement these algorithms yourself, and gain practice with them. You will also learn some of practical hands-on tricks and techniques (rarely discussed in textbooks) that help get learning algorithms to work well. This is an "applied" machine learning class, and we emphasize the intuitions and know-how needed to get learning algorithms to work in practice, rather than the mathematical derivations.
Familiarity with programming, basic linear algebra (matrices, vectors, matrix-vector multiplication), and basic probability (random variables, basic properties of probability) is assumed. Basic calculus (derivatives and partial derivatives) would be helpful and would give you additional intuitions about the algorithms, but isn't required to fully complete this course.

I. INTRODUCTION


Welcome

What is Machine Learning?

Supervised Learning Introduction

Unsupervised Learning Introduction

Installing Octave

II. LINEAR REGRESSION I


Supervised Learning Introduction(1.2x)(1.5x)

Model Representation(1.2x)(1.5x)

Cost Function(1.2x)(1.5x)

Gradient Descent(1.2x)(1.5x)

Gradient Descent for Linear Regression(1.2x)(1.5x)

Vectorized Implementation(1.2x)(1.5x)

Exercise 2

III. LINEAR REGRESSION II


Feature Scaling(1.2x)(1.5x)

Learning Rate(1.2x)(1.5x)

Features and Polynomial Regression(1.2x)(1.5x)

Normal Equations(1.2x)(1.5x)

Exercise 3

IV. LOGISTIC REGRESSION


Classification(1.2x)(1.5x)

Model(1.2x)(1.5x)

Optimization Objective I(1.2x)(1.5x)

Optimization Objective II(1.2x)(1.5x)

Gradient Descent(1.2x)(1.5x)

Newton's Method I(1.2x)(1.5x)

Newton's Method II(1.2x)(1.5x)

Gradient Descent vs Newton's Method(1.2x)(1.5x)

Exercise 4

V. REGULARIZATION


The Problem Of Overfitting(1.2x)(1.5x)

Optimization Objective(1.2x)(1.5x)

Common Variations(1.2x)(1.5x)

Regularized Linear Regression(1.2x)(1.5x)

Regularized Logistic Regression(1.2x)(1.5x)

Exercise 5

VI. NAIVE BAYES


Generative Learning Algorithms(1.2x)(1.5x)

Text Classification(1.2x)(1.5x)

Exercise 6

VII.


Exercise 7

VIII.


Exercise 8

IX.

Exercise 9
from stanford Machine Learning OpenClassroom
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