plot.msviper: Plot msviper results

Description Usage Arguments Value See Also Examples

View source: R/plot.r

Description

This function generate a plot for msviper results showing the enrichment of the target genes for each significant master regulator on the gene expression signature

Usage

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## S3 method for class 'msviper'
plot(x, mrs = 10, color = c("cornflowerblue",
  "salmon"), pval = NULL, bins = 500, cex = 0, density = 0,
  smooth = 0, sep = 0.2, hybrid = TRUE, include = c("expression",
  "activity"), gama = 2, ...)

Arguments

x

msviper object produced by msviper function

mrs

Either an integer indicating the number of master regulators to include in the plot, or a character vector containing the names of the master regulators to include in the plot

color

Vector of two components indicating the colors for the negative and positive parts of the regulon

pval

Optional matrix of p-values to include in the plot

bins

Number of bins to split the vector of scores in order to compute the density color of the bars

cex

Number indicating the text size scaling, 0 indicates automatic scaling

density

Integrer indicating the number of steps for the kernel density. Zero for not ploting it

smooth

Number indicating the proportion of point for smoothing the density distribution. Zero for not using the smoother

sep

Number indicating the separation from figure and text

hybrid

Logical, whether the 3-tail approach used for computingthe enrichment should be reflected in the plot

include

Vector indicating the information to include as heatmap to the right of the msviper plot: expression and activity

gama

Positive number indicating the exponential transformation for the activity and expression color scale

...

Given for compatibility to the plot generic function

Value

Nothing, a plot is generated in the default output device

See Also

msviper

Examples

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data(bcellViper, package="bcellViper")
sig <- rowTtest(dset, "description", c("CB", "CC"), "N")$statistic
dnull <- ttestNull(dset, "description", c("CB", "CC"), "N", per=100) # Only 100 permutations to reduce computation time, but it is recommended to perform at least 1000 permutations
mra <- msviper(sig, regulon, dnull)
plot(mra, cex=.7)

Example output

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, sd, var, xtabs

The following objects are masked from ‘package:base’:

    anyDuplicated, append, as.data.frame, basename, cbind, colnames,
    dirname, do.call, duplicated, eval, evalq, Filter, Find, get, grep,
    grepl, intersect, is.unsorted, lapply, Map, mapply, match, mget,
    order, paste, pmax, pmax.int, pmin, pmin.int, Position, rank,
    rbind, Reduce, rownames, sapply, setdiff, sort, table, tapply,
    union, unique, unsplit, which.max, which.min

Welcome to Bioconductor

    Vignettes contain introductory material; view with
    'browseVignettes()'. To cite Bioconductor, see
    'citation("Biobase")', and for packages 'citation("pkgname")'.

Thu Dec  3 02:27:25 2020
Computing the null model distribution by 100 permutations.

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Computing regulon enrichment with aREA algorithm

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Estimating the normalized enrichment scores

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viper documentation built on Nov. 8, 2020, 7:37 p.m.