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What is machine learning?
What is machine learning?One area of technology that is helping improve the services that we use on our smartphones, and on the web, is machine learni...
分类:系统相关   时间:2015-07-10 20:50:56    阅读次数:284
机器学习之正规方程法
简介   本篇继续进行机器学习,主要是使用opencv,用c语言实现机器学习之一元线性回归、正规方程法。 关于这部分的原理,可以参考:1、https://www.coursera.org/learn/machine-learning/home/info 2、http://blog.csdn.net/xiazdong/article/deta...
分类:其他好文   时间:2015-07-09 21:30:26    阅读次数:226
Seven Steps to Success Machine Learning in Practice
Seven Steps to SuccessMachine Learning in PracticeProject failures in IT are all too common. The risks are higher if you are adopting a new technology...
分类:系统相关   时间:2015-07-09 21:12:40    阅读次数:125
Machine Learning—Linear Regression
Evernote的同步分享:Machine Learning—Linear Regression 版权声明:本文博客原创文章。博客,未经同意,不得转载。
分类:系统相关   时间:2015-07-05 16:15:35    阅读次数:170
Datasets for MachineLearning
Public datasets for machine learning  http://homepages.inf.ed.ac.uk/rbf/IAPR/researchers/MLPAGES/mldat.htm Weka datasets http://www.cs.waikato.ac.nz/ml/weka/datasets.html...
分类:系统相关   时间:2015-06-30 16:25:58    阅读次数:172
CheeseZH: Stanford University: Machine Learning Ex4:Training Neural Network(Backpropagation Algorithm)
1. Feedforward and cost function;2.Regularized cost function:3.Sigmoid gradientThe gradient for the sigmoid function can be computed as:where:4.Random...
分类:Web程序   时间:2015-06-29 19:42:52    阅读次数:1812
[转] 机器学习那些事儿
原文为发表于Communications of the ACM 2012年第10期的“A Few Useful Things to Know About Machine Learning”,虽然发表于2012年,但是作者提出的观点对于今天仍有很多借鉴意义。作者:佩德罗·多明戈斯(Pedro Domi...
分类:其他好文   时间:2015-06-29 19:36:13    阅读次数:184
CheeseZH: Stanford University: Machine Learning Ex3: Multiclass Logistic Regression and Neural Network Prediction
Handwritten digits recognition (0-9)Multi-class Logistic Regression1. Vectorizing Logistic Regression(1) Vectorizing the cost function(2) Vectorizing ...
分类:Web程序   时间:2015-06-26 12:48:04    阅读次数:807
CheeseZH: Stanford University: Machine Learning Ex2:Logistic Regression
1. Sigmoid FunctionIn Logisttic Regression, the hypothesis is defined as:where function g is the sigmoid function. The sigmoid function is defined as:...
分类:系统相关   时间:2015-06-25 21:12:53    阅读次数:804
CheeseZH: Stanford University: Machine Learning Ex1:Linear Regression
(1) How to comput the Cost function in Univirate/Multivariate Linear Regression;(2) How to comput the Batch Gradient Descent function in Univirate/Mul...
分类:系统相关   时间:2015-06-24 10:55:27    阅读次数:546
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