## S4 method for signature 'pcaRes'
R2VX(object, direction = c("variables", "observations",
"complete"), data = completeObs(object), pcs = nP(object))
Arguments
object
a PCA model object
direction
choose between calculating R2 per variable, per
observation or for the entire data with 'variables',
'observations' or 'complete'.
data
the data used to fit the model
pcs
the number of PCs to use to calculate R2
Value
A vector with R2 values
Author(s)
Henning Redestig
Examples
R2VX(pca(iris))
Results
R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
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> library(pcaMethods)
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")'.
Attaching package: 'pcaMethods'
The following object is masked from 'package:stats':
loadings
> png(filename="/home/ddbj/snapshot/RGM3/R_BC/result/pcaMethods/R2VX-pcaRes-method.Rd_%03d_medium.png", width=480, height=480)
> ### Name: R2VX,pcaRes-method
> ### Title: R2 goodness of fit
> ### Aliases: R2VX R2VX,pcaRes-method
>
> ### ** Examples
>
> R2VX(pca(iris))
Sepal.Length Sepal.Width Petal.Length Petal.Width
0.9579017 0.8400028 0.9980931 0.9365937
>
>
>
>
>
> dev.off()
null device
1
>