Displaying 2 results from an estimated 2 matches for "esapply".
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sapply
2008 Nov 15
1
unable to view vignette in R
...6: annotate - Using Affymetrix Probe Level Data
7: annotate - Using Data Packages
8: annotate - Using the homology package
9: AnnotationDbi - AnnotationDbi
10: AnnotationDbi - SQLForge
11: Biobase - An introduction to Biobase and ExpressionSets
12: Biobase - Bioconductor Overview
13: Biobase - esApply Introduction
14: Biobase - Notes for eSet developers
15: Biobase - Notes for writing introductory 'how to' documents
16: Biobase - quick views of eSet instances
17: geneplotter - How to assemble a chromLocation object
18: geneplotter - Visualization of Microarray Data
19: xtable - xtable Ga...
2005 Oct 07
0
Differentially expressed gene list
...M on my array data(siggenes)I have some problems in
retrieving the separate lists of up regulated and down regulated genes.
When I write:
fold<-function(x){
gruppi<-split(x,controllo)
geni1<-abs(mean(gruppi[[2]])-mean(gruppi[[1]]))
return(geni1)
}
fold<-esApply(expr.contr.tratt.4,1,fold)
filtro.geni.4_prova<-expr.contr.tratt.4[which(fold>=1),]
filtro.geni.4_prova
everything is working well and I can obtain the correct HTML output,but if I
write the same using fold change<1 to obtain downregulated genes,I have the
following warning message:
#...