'kernelize' uses a kernel to smooth the data given in geneLocations by
computing a weighted sum of the values vector. The weights for each position
are given in the kernelweights matrix. A kernelweights matrix can be obtained
by using the kernelmatrix function.
R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
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> library(macat)
Loading required package: Biobase
Loading required package: BiocGenerics
Loading required package: parallel
Attaching package: 'BiocGenerics'
The following objects are masked from 'package:parallel':
clusterApply, clusterApplyLB, clusterCall, clusterEvalQ,
clusterExport, clusterMap, parApply, parCapply, parLapply,
parLapplyLB, parRapply, parSapply, parSapplyLB
The following objects are masked from 'package:stats':
IQR, mad, xtabs
The following objects are masked from 'package:base':
Filter, Find, Map, Position, Reduce, anyDuplicated, append,
as.data.frame, cbind, colnames, do.call, duplicated, eval, evalq,
get, grep, grepl, intersect, is.unsorted, lapply, lengths, mapply,
match, mget, order, paste, pmax, pmax.int, pmin, pmin.int, rank,
rbind, rownames, sapply, setdiff, sort, table, tapply, union,
unique, unsplit
Welcome to Bioconductor
Vignettes contain introductory material; view with
'browseVignettes()'. To cite Bioconductor, see
'citation("Biobase")', and for packages 'citation("pkgname")'.
Loading required package: annotate
Loading required package: AnnotationDbi
Loading required package: stats4
Loading required package: IRanges
Loading required package: S4Vectors
Attaching package: 'S4Vectors'
The following objects are masked from 'package:base':
colMeans, colSums, expand.grid, rowMeans, rowSums
Loading required package: XML
Loading MicroArray Chromosome Analysis Tool...
Loading required packages...
Type 'demo(macatdemo)' for a quick tour...
> png(filename="/home/ddbj/snapshot/RGM3/R_BC/result/macat/kernelize.Rd_%03d_medium.png", width=480, height=480)
> ### Name: kernelize
> ### Title: Smooth expression values or scores
> ### Aliases: kernelmatrix getsteps kernelize
> ### Keywords: manip
>
> ### ** Examples
>
> data(stjd)
> genes = seq(100)
> geneLocations = abs(stjd$geneLocation[genes])
> geneExpression = stjd$expr[genes,]
> step.width = 100000
> steps = getsteps(geneLocations, step.width)
> weights = kernelmatrix(steps, geneLocations, rbf, list(gamma=1/10^13))
> kernelized = kernelize(geneExpression, weights)
> plot(steps, kernelized[1,])
>
>
>
>
>
> dev.off()
null device
1
>