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
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 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
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
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
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
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
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
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
(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