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limma (version 3.28.6)

Linear Models for Microarray Data

Description

Data analysis, linear models and differential expression for microarray data.

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Version

Monthly Downloads

127

Version

3.28.6

License

GPL (>=2)

Maintainer

Gordon Smyth

Last Published

February 15th, 2017

Functions in limma (3.28.6)

classifyTests

Multiple Testing Genewise Across Contrasts
exprs.MA

Extract Log-Expression Matrix from MAList
fitFDist

Moment Estimation of Scaled F-Distribution
getEAWP

Extract Basic Data from Expression Data Objects
kooperberg

Kooperberg Model-Based Background Correction for GenePix data
normalizeVSN

Variance Stabilizing Normalization (vsn)
auROC

Area Under Receiver Operating Curve
backgroundCorrect

Correct Intensities for Background
fitmixture

Fit Mixture Model by Non-Linear Least Squares
protectMetachar

Protect Metacharacters
01.Introduction

Introduction to the LIMMA Package
06.LinearModels

Topic: Linear Models for Microarrays
plotWithHighlights

Scatterplot With Highlighting of Special Points
predFCm

Predictive log fold change for microarrays
08.Tests

Topic: Hypothesis Testing for Linear Models
avedups

Average Over Duplicate Spots
gridr

Row and Column Positions on Microarray
removeBatchEffect

Remove Batch Effect
residuals.MArrayLM

Extract Residuals from MArrayLM Fit
diffSplice

Test for Differential Splicing
heatdiagram

Stemmed Heat Diagram
lm.series

Fit Linear Model to Microrray Data by Ordinary Least Squares
MArrayLM-class

Microarray Linear Model Fit - class
as.matrix

Turn a Microarray Data Object into a Matrix
volcanoplot

Volcano Plot
nec

NormExp Background Correction and Normalization Using Control Probes
limmaUsersGuide

View Limma User's Guide
zscore

Z-score Equivalents
ids2indices

Convert Gene Identifiers to Indices for Gene Sets
ma3x3

Two dimensional Moving Averages with 3x3 Window
RGList-class

Red, Green Intensity List - class
makeUnique

Make Values of Character Vector Unique
TestResults-class

Matrix of Test Results - class
fitGammaIntercept

Fit Intercept to Vector of Gamma Distributed Variates
mergeScans

Merge two scans of two-color arrays
normexp.fit.control

Normexp Model Parameter Estimation Aided by Negative Controls
QualityWeights

Spot Quality Weights
changeLog

Limma Change Log
as.data.frame

Turn a Microarray Linear Model Object into a Dataframe
dimnames

Retrieve the Dimension Names of an RGList, MAList, EList, EListRaw or MArrayLM Object
bwss

Between and within sums of squares
read.ilmn

Read Illumina Expression Data
strsplit2

Split Composite Names
bwss.matrix

Between and within sums of squares for matrix
limmaGUI

Graphical User Interface for the limma microarray package
is.fullrank

Check for Full Column Rank
plotMA3by2

Write MA-Plots to Files
printHead

Print Leading Rows of Large Objects
contrastAsCoef

Reform a Design Matrix to that Contrasts Become Coefficients
controlStatus

Set Status of each Spot from List of Spot Types
propTrueNull

Estimate Proportion of True Null Hypotheses
readImaGeneHeader

Read ImaGene Header Information
genas

Genuine Association of Gene Expression Profiles
getSpacing

Get Numerical Spacing
squeezeVar

Squeeze Sample Variances
normalizeBetweenArrays

Normalize Between Arrays
printtipWeights

Sub-array Quality Weights
geneSetTest

Mean-rank Gene Set Test
LargeDataObject-class

Large Data Object - class
rankSumTestWithCorrelation

Two Sample Wilcoxon-Mann-Whitney Rank Sum Test Allowing For Correlation
read.maimages

Read RGList or EListRaw from Image Analysis Output Files
EList-class

Expression List - class
unwrapdups

Unwrap Duplicate Spot Values from Rows into Columns
arrayWeights

Array Quality Weights
readGAL

Read a GAL file
avereps

Average Over Irregular Replicate Probes
cbind

Combine RGList, MAList, EList or EListRaw Objects
uniquegenelist

Eliminate Duplicate Names from the Gene List
toptable

Table of Top Genes from Linear Model Fit
selectModel

Select Appropriate Linear Model
goana

Gene Ontology or KEGG Pathway Analysis
topGO

Table of Top GO Terms or Top KEGG Pathways
weighted.median

Weighted Median
propexpr

Estimate Proportion of Expressed Probes
readTargets

Read Targets File
tmixture

Estimate Scale Factor in Mixture of t-Distributions
weightedLoess

Lowess fit with weighting
read.columns

Read specified columns from a file
10.GeneSetTests

Topic: Gene Set Tests
PrintLayout

Print Layout - class
blockDiag

Block Diagonal Matrix
designI2M

Convert Individual Channel Design Matrix to M-A Format
contrasts.fit

Compute Contrasts from Linear Model Fit
dim

Retrieve the Dimensions of an RGList, MAList or MArrayLM Object
fitted.MArrayLM

Fitted Values Method for MArrayLM Fits
getLayout

Extract the Print Layout of an Array from the GAL File
03.ReadingData

Topic: Reading Microarray Data from Files
11.RNAseq

Topic: Analysis of RNA-seq Data
09.Diagnostics

Topic: Diagnostics and Quality Assessment
MAList-class

M-value, A-value Expression List - class
logcosh

Logarithm of cosh
lmscFit

Fit Linear Model to Individual Channels of Two-Color Data
modifyWeights

Modify Matrix of Weights By Control Status of Rows
mdplot

Mean-Difference Plot
barcodeplot

Barcode Enrichment Plot
merge

Merge RGList or MAList Data Objects
poolVar

Pool Sample Variances with Unequal Variances
normalizeWithinArrays

Normalize Within Arrays
normalizeQuantiles

Normalize Columns of a Matrix to have the same Quantiles
qqt

Student's t Quantile-Quantile Plot
plotSA

Sigma vs A plot for microarray linear model
modelMatrix

Construct Design Matrix
normexp.fit

Fit Normal+Exp Convolution Model to Observed Intensities
04.Background

Topic: Background Correction
subsetting

Subset RGList, MAList, EListRaw, EList or MArrayLM Objects
plotFB

FB-Plot
topRomer

Top Gene Set Testing Results from Romer
07.SingleChannel

Topic: Individual Channel Analysis of Two-Color Microarrays
plotMA

MA-Plot of Expression Data
02.Classes

Topic: Classes Defined by this Package
printorder

Identify Order in which Spots were Printed
intraspotCorrelation

Intra-Spot Correlation for Two Color Data
05.Normalization

Topic: Normalization of Microarray Data
read.ilmn.targets

Read Illumina Data from a Target Dataframe
arrayWeightsQuick

Array Quality Weights
tricubeMovingAverage

Moving Average Smoother With Tricube Weights
imageplot3by2

Write Imageplots to Files
voom

Transform RNA-Seq Data Ready for Linear Modelling
avearrays

Average Over Replicate Arrays
read.idat

Read Illumina expression data directly from IDAT files
vooma

Convert Mean-Variance Trend to Observation-specific Precision Weights for Microarray Data
romer

Rotation Gene Set Enrichment Analysis
dupcor

Correlation Between Duplicates
trimWhiteSpace

Trim Leading and Trailing White Space
venn

Venn Diagrams
plotlines

plotlines
targetsA2C

Convert Two-Color Targets Dataframe from One-Row-Per-Array to One-Row-Per-Channel
topSplice

Top table of differentially spliced genes or exons
LGchangeLog

LimmaGUI Change Log
ebayes

Empirical Bayes Statistics for Differential Expression
isNumeric

Test for Numeric Argument
plotMD

Mean-Difference Plot of Expression Data
imageplot

Image Plot of Microarray Statistics
alias2Symbol

Convert Gene Aliases to Official Gene Symbols
asMatrixWeights

asMatrixWeights
as.MAList

Convert marrayNorm Object to an MAList Object
beadCountWeights

Bead Count Weights for Illumina BeadChips
gls.series

Fit Linear Model to Microarray Data by Generalized Least Squares
lmFit

Linear Model for Series of Arrays
loessFit

Univariate Lowess With Prior Weights
mrlm

Fit Linear Model to Microrray Data by Robust Regression
normalizeCyclicLoess

Normalize Columns of a Matrix by Cyclic Loess
normexp.signal

Expected Signal Given Observed Foreground Under Normal+Exp Model
plotDensities

Plot Expression Densities
plotSplice

Differential splicing plot
plotPrintTipLoess

MA Plots by Print-Tip Group
normexp.fit.detection.p

Estimate Normexp Model Parameter Using Negative Controls Inferred from Regular Probes
plotRLDF

Plot of regularized linear discriminant functions for microarray data
roast

Rotation Gene Set Tests
trigammaInverse

Inverse Trigamma Function
removeExt

Remove Common Extension from File Names
anova.MAList-method

ANOVA Table - method
camera

Competitive Gene Set Test Accounting for Inter-gene Correlation
decideTests

Multiple Testing Across Genes and Contrasts
normalizeRobustSpline

Normalize Single Microarray Using Shrunk Robust Splines
normalizeMedianAbsValues

Normalize Columns of a Matrix to have the Median Absolute Value
helpMethods

Prompt for Method Help Topics
normalizeForPrintorder

Print-Order Normalization
plotMDS

Multidimensional scaling plot of distances between gene expression profiles
plotExons

Plot exons of differentially expressed gene
readSpotTypes

Read Spot Types File
readHeader

Read Header Information from Microarray Raw Data File
summary

Summaries of Microarray Data Objects
makeContrasts

Construct Matrix of Custom Contrasts
voomWithQualityWeights

Combining observational-level with sample-specific quality weights for RNA-seq analysis
write.fit

Write MArrayLM Object to a File