linyx

2014年7月20日

摘要： What's xxxThe EM algorithm is used to find the maximum likelihood parameters of a statistical model in cases where the equations cannot be solved dire... 阅读全文

posted @ 2014-07-20 13:30 linyx 阅读(263) 评论(0) 推荐(0)

ML | Naive Bayes

摘要： what's xxxIn machine learning, naive Bayes classifiers are a family of simple probabilistic classifiers based on applying Bayes' theorem with strong (... 阅读全文

posted @ 2014-07-20 01:24 linyx 阅读(298) 评论(0) 推荐(0)

2014年7月19日

ML | k-means

摘要： what's xxxk-means clustering aims to partition n observations into k clusters in which each observation belongs to the cluster with the nearest mean, ... 阅读全文

posted @ 2014-07-19 23:24 linyx 阅读(162) 评论(0) 推荐(0)

ML | PCA

摘要： what's xxxPCAprincipal components analysis is for dimensionality reduction.主要是通过对协方差矩阵Covariance matrix进行特征分解，以得出数据的主成分（即特征向量eigenvector）与它们的权值（即特征值ei... 阅读全文

posted @ 2014-07-19 21:10 linyx 阅读(252) 评论(0) 推荐(0)

ML | spectral clustering

摘要： What's xxxIn multivariate statistics and the clustering of data, spectral clustering techniques make use of the spectrum (eigenvalues) of the similari... 阅读全文

posted @ 2014-07-19 18:26 linyx 阅读(246) 评论(0) 推荐(0)

Classical method of machine learning

摘要： PCAprincipal components analysiskmeansbayesspectral clusteringsvmEMhidden Markov modelsdeep learningSpark 阅读全文

posted @ 2014-07-19 14:49 linyx 阅读(156) 评论(0) 推荐(0)

2014年7月16日

ZigBee

摘要： ZigBee is a specification for a suite of high level communication protocols used to create personal area networks built from small, low-power digital ... 阅读全文

posted @ 2014-07-16 20:53 linyx 阅读(257) 评论(0) 推荐(0)

2014年7月15日

MX

摘要： A mail exchanger record (MX record) is a type of resource record in the Domain Name System that specifies a mail server responsible for accepting emai... 阅读全文

posted @ 2014-07-15 00:05 linyx 阅读(299) 评论(0) 推荐(0)

2014年7月14日

邮箱系统分绍

摘要： MUA(email client)Mail User Agent is a 'mail client program', the part you see and use to send and receive mail.MTA(SMTP server)Mail Transfer Agent is ... 阅读全文

posted @ 2014-07-14 20:16 linyx 阅读(274) 评论(0) 推荐(0)

2014年7月13日

Database | SQL

摘要： Basic of MySQL创建数据库:1 mysql> create database xxj;2 Query OK, 1 row affected (0.00 sec)列举数据库:1 mysql> show databases;2 +--------------------+3 | Databa... 阅读全文

posted @ 2014-07-13 17:29 linyx 阅读(336) 评论(0) 推荐(0)

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