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WGCNA (version 1.62)

Weighted Correlation Network Analysis

Description

Functions necessary to perform Weighted Correlation Network Analysis on high-dimensional data. Includes functions for rudimentary data cleaning, construction of correlation networks, module identification, summarization, and relating of variables and modules to sample traits. Also includes a number of utility functions for data manipulation and visualization.

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Version

Install

install.packages('WGCNA')

Monthly Downloads

16,020

Version

1.62

License

GPL (>= 2)

Maintainer

Peter Langfelder

Last Published

February 12th, 2018

Functions in WGCNA (1.62)

BrainRegionMarkers

Gene Markers for Regions of the Human Brain
GOenrichmentAnalysis

Calculation of GO enrichment (experimental)
TOMsimilarityFromExpr

Topological overlap matrix
TrueTrait

Estimate the true trait underlying a list of surrogate markers.
adjacency.splineReg

Calculate network adjacency based on natural cubic spline regression
alignExpr

Align expression data with given vector
blockwiseConsensusModules

Find consensus modules across several datasets.
blockwiseIndividualTOMs

Calculation of block-wise topological overlaps
checkAdjMat

Check adjacency matrix
checkSets

Check structure and retrieve sizes of a group of datasets.
conformityDecomposition

Conformity and module based decomposition of a network adjacency matrix.
consensusCalculation

Calculation of a (single) consenus with optional data calibration.
consensusTOM

Consensus network (topological overlap).
cor

Fast calculations of Pearson correlation.
goodGenes

Filter genes with too many missing entries
goodGenesMS

Filter genes with too many missing entries across multiple sets
goodSamples

Filter samples with too many missing entries
goodSamplesGenes

Iterative filtering of samples and genes with too many missing entries
individualTOMs

Calculate individual correlation network matrices
Inline display of progress

Inline display of progress
matrixToNetwork

Construct a network from a matrix
mergeCloseModules

Merge close modules in gene expression data
modulePreservation

Calculation of module preservation statistics
mtd.rbindSelf

Turn a multiData structure into a single matrix or data frame.
mtd.setAttr

Set attributes on each component of a multiData structure
nearestNeighborConnectivity

Connectivity to a constant number of nearest neighbors
nearestNeighborConnectivityMS

Connectivity to a constant number of nearest neighbors across multiple data sets
newBlockwiseData

Create, merge and expand BlockwiseData objects
moduleNumber

Fixed-height cut of a dendrogram.
newConsensusOptions

Create a list holding consensus calculation options.
plotClusterTreeSamples

Annotated clustering dendrogram of microarray samples
plotColorUnderTree

Plot color rows in a given order, for example under a dendrogram
preservationNetworkConnectivity

Network preservation calculations
projectiveKMeans

Projective K-means (pre-)clustering of expression data
randIndex

Rand index of two partitions
rankPvalue

Estimate the p-value for ranking consistently high (or low) on multiple lists
redWhiteGreen

Red-white-green color sequence
relativeCorPredictionSuccess

Compare prediction success
signumAdjacencyFunction

Hard-thresholding adjacency function
simpleConsensusCalculation

Simple calculation of a single consenus
softConnectivity

Calculates connectivity of a weighted network.
spaste

Space-less paste
transposeBigData

Transpose a big matrix or data frame
unsignedAdjacency

Calculation of unsigned adjacency
verboseScatterplot

Scatterplot annotated by regression line and p-value
votingLinearPredictor

Voting linear predictor
PWLists

Pathways with Corresponding Gene Markers - Compiled by Mike Palazzolo and Jim Wang from CHDI
SCsLists

Stem Cell-Related Genes with Corresponding Gene Markers
addErrorBars

Add error bars to a barplot.
addGrid

Add grid lines to an existing plot.
bicor

Biweight Midcorrelation
bicorAndPvalue

Calculation of biweight midcorrelations and associated p-values
collapseRows

Select one representative row per group
collapseRowsUsingKME

Selects one representative row per group based on kME
exportNetworkToVisANT

Export network data in format readable by VisANT
fixDataStructure

Put single-set data into a form useful for multiset calculations.
hierarchicalConsensusCalculation

Hierarchical consensus calculation
hierarchicalConsensusKME

Calculation of measures of fuzzy module membership (KME) in hierarchical consensus modules
intramodularConnectivity

Calculation of intramodular connectivity
isMultiData

Determine whether the supplied object is a valid multiData structure
lowerTri2matrix

Reconstruct a symmetric matrix from a distance (lower-triangular) representation
matchLabels

Relabel module labels to best match the given reference labels
moduleEigengenes

Calculate module eigengenes.
moduleMergeUsingKME

Merge modules and reassign genes using kME.
mtd.setColnames

Get and set column names in a multiData structure.
mtd.simplify

If possible, simplify a multiData structure to a 3-dimensional array.
nSets

Number of sets in a multi-set variable
nearestCentroidPredictor

Nearest centroid predictor
automaticNetworkScreening

One-step automatic network gene screening
automaticNetworkScreeningGS

One-step automatic network gene screening with external gene significance
blockwiseModules

Automatic network construction and module detection
newConsensusTree

Create a new consensus tree
newCorrelationOptions

Creates a list of correlation options.
plotCor

Red and Green Color Image of Correlation Matrix
plotDendroAndColors

Dendrogram plot with color annotation of objects
plotMultiHist

Plot multiple histograms in a single plot
plotNetworkHeatmap

Network heatmap plot
recutBlockwiseTrees

Repeat blockwise module detection from pre-calculated data
recutConsensusTrees

Repeat blockwise consensus module detection from pre-calculated data
blueWhiteRed

Blue-white-red color sequence
clusterCoef

Clustering coefficient calculation
coClustering

Co-clustering measure of cluster preservation between two clusterings
consensusMEDissimilarity

Consensus dissimilarity of module eigengenes.
consensusOrderMEs

Put close eigenvectors next to each other in several sets.
replaceMissing

Replace missing values with a constant.
returnGeneSetsAsList

Return pre-defined gene lists in several biomedical categories.
setCorrelationPreservation

Summary correlation preservation measure
shortenStrings

Shorten given character strings by truncating at a suitable separator.
stdErr

Standard error of the mean of a given vector.
stratifiedBarplot

Bar plots of data across two splitting parameters
corPvalueFisher

Fisher's asymptotic p-value for correlation
corPvalueStudent

Student asymptotic p-value for correlation
formatLabels

Break long character strings into multiple lines
fundamentalNetworkConcepts

Calculation of fundamental network concepts from an adjacency matrix.
goodSamplesGenesMS

Iterative filtering of samples and genes with too many missing entries across multiple data sets
goodSamplesMS

Filter samples with too many missing entries across multiple data sets
hubGeneSignificance

Hubgene significance
imputeByModule

Impute missing data separately in each module
mutualInfoAdjacency

Calculate weighted adjacency matrices based on mutual information
nPresent

Number of present data entries.
numbers2colors

Color representation for a numeric variable
orderBranchesUsingHubGenes

Optimize dendrogram using branch swaps and reflections.
overlapTable

Calculate overlap of modules
overlapTableUsingKME

Determines significant overlap between modules in two networks based on kME tables.
pruneAndMergeConsensusModules

Iterative pruning and merging of (hierarchical) consensus modules
pruneConsensusModules

Prune (hierarchical) consensus modules by removing genes with low eigengene-based intramodular connectivity
sigmoidAdjacencyFunction

Sigmoid-type adacency function.
signedKME

Signed eigengene-based connectivity
simulateSmallLayer

Simulate small modules
sizeGrWindow

Opens a graphics window with specified dimensions
AFcorMI

Prediction of Weighted Mutual Information Adjacency Matrix by Correlation
standardScreeningCensoredTime

Standard Screening with regard to a Censored Time Variable
standardScreeningNumericTrait

Standard screening for numeric traits
verboseBoxplot

Boxplot annotated by a Kruskal-Wallis p-value
verboseIplot

Scatterplot with density
BD.getData

Various basic operations on BlockwiseData objects.
WGCNA-package

Weighted Gene Co-Expression Network Analysis
accuracyMeasures

Accuracy measures for a 2x2 confusion matrix or for vectors of predicted and observed values.
branchEigengeneDissim

Branch dissimilarity based on eigennodes (eigengenes).
branchSplit

Branch split.
consensusDissTOMandTree

Consensus clustering based on topological overlap and hierarchical clustering
consensusKME

Calculate consensus kME (eigengene-based connectivities) across multiple data sets.
corAndPvalue

Calculation of correlations and associated p-values
corPredictionSuccess

Qunatification of success of gene screening
greenBlackRed

Green-black-red color sequence
greenWhiteRed

Green-white-red color sequence
hierarchicalConsensusTOM

Calculation of hierarchical consensus topological overlap matrix
hierarchicalMergeCloseModules

Merge close (similar) hierarchical consensus modules
labels2colors

Convert numerical labels to colors.
list2multiData

Convert a list to a multiData structure and vice-versa.
metaAnalysis

Meta-analysis of binary and continuous variables
metaZfunction

Meta-analysis Z statistic
mtd.subset

Subset rows and columns in a multiData structure
multiData

Create a multiData structure.
pickSoftThreshold

Analysis of scale free topology for soft-thresholding
prepComma

Prepend a comma to a non-empty string
prependZeros

Pad numbers with leading zeros to specified total width
propVarExplained

Proportion of variance explained by eigengenes.
pickHardThreshold

Analysis of scale free topology for hard-thresholding.
proportionsInAdmixture

Estimate the proportion of pure populations in an admixed population based on marker expression values.
rgcolors.func

Red and Green Color Specification
sampledBlockwiseModules

Blockwise module identification in sampled data
simpleHierarchicalConsensusCalculation

Simple hierarchical consensus calculation
simulateDatExpr

Simulation of expression data
simulateDatExpr5Modules

Simplified simulation of expression data
simulateEigengeneNetwork

Simulate eigengene network from a causal model
subsetTOM

Topological overlap for a subset of a whole set of genes
swapTwoBranches

Select, swap, or reflect branches in a dendrogram.
GTOMdist

Generalized Topological Overlap Measure
ImmunePathwayLists

Immune Pathways with Corresponding Gene Markers
addGuideLines

Add vertical ``guide lines'' to a dendrogram plot
addTraitToMEs

Add trait information to multi-set module eigengene structure
allocateJobs

Divide tasks among workers
allowWGCNAThreads

Allow and disable multi-threading for certain WGCNA calculations
branchSplit.dissim

Branch split based on dissimilarity.
branchSplitFromStabilityLabels

Branch split (dissimilarity) statistics derived from labels determined from a stability study
coClustering.permutationTest

Permutation test for co-clustering
colQuantileC

Fast colunm- and row-wise quantile of a matrix.
collectGarbage

Iterative garbage collection.
conformityBasedNetworkConcepts

Calculation of conformity-based network concepts.
correlationPreservation

Preservation of eigengene correlations
coxRegressionResiduals

Deviance- and martingale residuals from a Cox regression model
displayColors

Show colors used to label modules
dynamicMergeCut

Threshold for module merging
labeledHeatmap

Produce a labeled heatmap plot
labeledHeatmap.multiPage

Labeled heatmap divided into several separate plots.
minWhichMin

Fast joint calculation of row- or column-wise minima and indices of minimum elements
moduleColor.getMEprefix

Get the prefix used to label module eigengenes.
multiSetMEs

Calculate module eigengenes.
multiUnion

Union and intersection of multiple sets
networkConcepts

Calculations of network concepts
networkScreening

Identification of genes related to a trait
orderMEs

Put close eigenvectors next to each other
orderMEsByHierarchicalConsensus

Order module eigengenes by their hierarchical consensus similarity
populationMeansInAdmixture

Estimate the population-specific mean values in an admixed population.
pquantile

Parallel quantile, median, mean
qvalue

Estimate the q-values for a given set of p-values
qvalue.restricted

qvalue convenience wrapper
sampledHierarchicalConsensusModules

Hierarchical consensus module identification in sampled data
scaleFreeFitIndex

Calculation of fitting statistics for evaluating scale free topology fit.
simulateModule

Simulate a gene co-expression module
simulateMultiExpr

Simulate multi-set expression data
vectorizeMatrix

Turn a matrix into a vector of non-redundant components
BloodLists

Blood Cell Types with Corresponding Gene Markers
BrainLists

Brain-Related Categories with Corresponding Gene Markers
TOMplot

Graphical representation of the Topological Overlap Matrix
TOMsimilarity

Topological overlap matrix similarity and dissimilarity
adjacency

Calculate network adjacency
adjacency.polyReg

Adjacency matrix based on polynomial regression
bicovWeights

Weights used in biweight midcovariance
verboseBarplot

Barplot with error bars, annotated by Kruskal-Wallis or ANOVA p-value
blockSize

Attempt to calculate an appropriate block size to maximize efficiency of block-wise calcualtions.
chooseOneHubInEachModule

Chooses a single hub gene in each module
chooseTopHubInEachModule

Chooses the top hub gene in each module
consensusProjectiveKMeans

Consensus projective K-means (pre-)clustering of expression data
consensusRepresentatives

Consensus selection of group representatives
cutreeStatic

Constant-height tree cut
cutreeStaticColor

Constant height tree cut using color labels
empiricalBayesLM

Empirical Bayes-moderated adjustment for unwanted covariates
exportNetworkToCytoscape

Export network to Cytoscape
hierarchicalConsensusMEDissimilarity

Hierarchical consensus calculation of module eigengene dissimilarity
hierarchicalConsensusModules

Hierarchical consensus network construction and module identification
kMEcomparisonScatterplot

Function to plot kME values between two comparable data sets.
keepCommonProbes

Keep probes that are shared among given data sets
labelPoints

Label scatterplot points
labeledBarplot

Barplot with text or color labels.
mtd.apply

Apply a function to each set in a multiData structure.
mtd.mapply

Apply a function to elements of given multiData structures.
multiData.eigengeneSignificance

Eigengene significance across multiple sets
multiGSub

Analogs of grep(l) and (g)sub for multiple patterns and relacements
networkScreeningGS

Network gene screening with an external gene significance measure
newBlockInformation

Create a list holding information about dividing data into blocks
newNetworkOptions

Create a list of network construction arguments (options).
normalizeLabels

Transform numerical labels into normal order.
plotEigengeneNetworks

Eigengene network plot
plotMEpairs

Pairwise scatterplots of eigengenes
plotMat

Red and Green Color Image of Data Matrix
plotModuleSignificance

Barplot of module significance
removeGreyME

Removes the grey eigengene from a given collection of eigengenes.
removePrincipalComponents

Remove leading principal components from data
scaleFreePlot

Visual check of scale-free topology
selectFewestConsensusMissing

Select columns with the lowest consensus number of missing data
standardColors

Colors this library uses for labeling modules.
standardScreeningBinaryTrait

Standard screening for binatry traits
userListEnrichment

Measure enrichment between inputted and user-defined lists
vectorTOM

Topological overlap for a subset of the whole set of genes