数据分析之美：如何进行回归分析

1. 确定自变量与Y是否相关

证明：自变量X1，X2，….XP中至少存在一个自变量与因变量Y相关
For any given value of n（观测数据的数目） and p（自变量X的数目）, any statistical software  package can be used to compute the p-value associated with the F-statistic using this distribution. Based on this p-value, we can determine whether or not to reject H0. （用[……]

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June 30th, 2016 | Category: R语言, 统计学习 | Leave a comment

linux中的NFS服务器配置及/etc/exports

linux Centos (6.6)服务器之间文件共享挂载 目的：因为服务器设置了负载均衡，多服务器的文件上传必然要同步，这里的目的把服务器1设置为主文件服务器 服务器1：192.168.1.100 服务器2：192.168.1.20 风来了.呆狐狸

安装基础所需套件[每台]

1.nfs

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print?在CODE上查看代码片派生到我的代码片

  1. yum install nfs-utils

2.设置服务自启动

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  1. chkconfig rpc[……]

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June 23rd, 2016 | Category: Linux相关, 服务器管理 | Leave a comment

Local Blast2go database installation 2016

  1. Note 1: Use the “silent mode” (-s) to produce less output and to speed up the import. (On a Windows system use also (-b) to suppress the beep when errors occur.) Note 2: You can alternatively also first open a mysql shell and than use the command “source” to import the data.

 

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June 8th, 2016 | Category: 二代测序, 生物信息 | Leave a comment

How to create a Fasta file database for local Blast and to import XML results successfully into Blast2GO

(This is now obsolete. The use of the Blast2GO Command Line is recommended for this task.) This page describes how to create a local installation of the B2G MySQL database and is intended for users with knowledge in MySQL databases and general server administration tasks. If you are not able to f[……]

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June 1st, 2016 | Category: 二代测序, 生物信息 | Leave a comment