Reading the NCBI’s GEO microarray SOFT files in R/BioConductor

http://www2.warwick.ac.uk/fac/sci/moac/people/students/peter_cock/r/geo/ This page discusses how to load GEO SOFT format microarray data from the Gene Expression Omnibus database (GEO) (hosted by the NCBI) into R/BioConductor. SOFT stands for Simple Omnibus Format in Text. There are actually four[……]

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Meta分析(Meta-analysis)简介

Meta分析的由来: Meta分析(Meta-analysis)是心理学家Glass于1976年首次提出,原文是这样的: Meta-analysis refers to the analysis of analyses. I use it to refer to the statistical analysis of a large collection of results from individual studies for the purpose of integrating the findings. It connotes a rigorous alternative to t[……]

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MrBayes Tree

Use clustalw to generate nexus format file #NEXUS BEGIN DATA; dimensions ntax=55 nchar=534; format missing=? symbols=”ABCDEFGHIKLMNPQRSTUVWXYZ” interleave datatype=DNA gap= -; Change to as follows: #NEXUS BEGIN DATA; dimensions ntax=55 nchar=534; format datatype=dna interleave=yes g[……]

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