# Tools for the Differential Analysis of Proteins Abundance with R

## Documentation for package ‘DAPAR’ version 1.10.4

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

B C D E F G H I L M N P R S T U V W

## -- B --

barplotEnrichGO_HC | A barplot that shows the result of a GO enrichment, using the package 'highcharter'
barplotGroupGO_HC | A barplot which shows the result of a GO classification, using the package 'highcharter'
boxPlotD | Builds a boxplot from a dataframe
boxPlotD_HC | Builds a boxplot from a dataframe using the library 'highcharter'
BuildAdjacencyMatrix | Function matrix of appartenance group
BuildColumnToProteinDataset | creates a column for the protein dataset after agregation by using the previous peptide dataset.
BuildColumnToProteinDataset_par | creates a column for the protein dataset after agregation by using the previous peptide dataset.

## -- C --

compareNormalizationD | Builds a plot from a dataframe
compareNormalizationD_HC | Builds a plot from a dataframe. Same as compareNormalizationD but uses the library 'highcharter'
corrMatrixD | Displays a correlation matrix of the quantitative data of the 'exprs()' table.
corrMatrixD_HC | Displays a correlation matrix of the quantitative data of the 'exprs()' table.
CountPep | Compute the number of peptides used to aggregate proteins
createMSnset | Creates an object of class 'MSnSet' from text file
CVDistD | Distribution of CV of entities
CVDistD_HC | Distribution of CV of entities

## -- D --

deleteLinesFromIndices | Delete the lines in the matrix of intensities and the metadata table given their indice.
densityPlotD | Builds a densityplot from a dataframe
densityPlotD_HC | Builds a densityplot from a dataframe
diffAna | This function performs a differential analysis on an MSnSet object (adapted from 'limma')
diffAnaComputeFDR | Computes the FDR corresponding to the p-values of the differential analysis using
diffAnaGetSignificant | Returns a MSnSet object with only proteins significant after differential analysis.
diffAnaLimma | Performs differential analysis on an MSnSet object, calling the 'limma' package functions
diffAnaSave | Returns a 'MSnSet' object with the results of the differential analysis performed with 'limma' package.
diffAnaVolcanoplot | Volcanoplot of the differential analysis
diffAnaVolcanoplot_rCharts | Volcanoplot of the differential analysis
diffAnaWelch | Performs a differential analysis on a 'MSnSet' object using the Welch t-test

## -- E --

enrich_GO | Calculates GO enrichment classes for a given list of proteins/genes ID. It results an enrichResult instance.

## -- F --

fudge2LRT | Heuristic to choose the value of the hyperparameter (fudge factor) used to regularize the variance estimator in the likelihood ratio statistic

## -- G --

getIndicesConditions | Gets the conditions indices.
getIndicesOfLinesToRemove | Get the indices of the lines to delete, based on a prefix string
getNumberOf | Number of lines with prefix
getNumberOfEmptyLines | Returns the number of empty lines in the data
getPaletteForLabels | Palette for plots in 'DAPAR'
getPaletteForLabels_HC | Palette for highcharter plots used in 'DAPAR'
getPaletteForReplicates | Palette for plot the replicates in 'DAPAR'
getPaletteForReplicates_HC | Palette for highcharter plot the replicates in DAPAR
getPourcentageOfMV | Percentage of missing values
getProcessingInfo | Returns the contains of the slot processing of an object of class 'MSnSet'
getProteinsStats | computes the number of proteins that are only defined by specific peptides, shared peptides or a mixture of two.
getQuantile4Imp | Quantile imputation value definition
GOAnalysisSave | Returns an 'MSnSet' object with the results of the GO analysis performed with the functions 'enrichGO' and/or 'groupGO' of the 'clusterProfiler' package.
GraphPepProt | Function to create a histogram that shows the repartition of peptides w.r.t. the proteins
group_GO | Calculates the GO profile of a vector of genes/proteins at a given level of the Gene Ontology

## -- H --

heatmap.DAPAR | This function is inspired from the function 'heatmap.2' that displays quantitative data in the 'exprs()' table of an object of class 'MSnSet'. For more information, please refer to the help of the heatmap.2 function.
heatmapD | This function is a wrapper to 'heatmap.2' that displays quantitative data in the 'exprs()' table of an object of class 'MSnSet'

## -- I --

impute.detQuant | Deterministic imputation
impute.pa2 | Missing values imputation from a 'MSnSet' object

## -- L --

LH0 | xxxxxx
LH1 | xxxxxx
limmaCompleteTest | Computes a hierarchical differential analysis
listSheets | This function returns the list of the sheets names in a Excel file.

## -- M --

MeanPeptides | Compute the intensity of proteins as the mean of the intensities of their peptides.
mvFilter | Filter lines in the matrix of intensities w.r.t. some criteria
mvFilterFromIndices | Filter lines in the matrix of intensities w.r.t. some criteria
mvFilterGetIndices | Filter lines in the matrix of intensities w.r.t. some criteria
mvHisto | Histogram of missing values
mvHisto_HC | Histogram of missing values
mvImage | Heatmap of missing values
mvImputation | Missing values imputation from a matrix
mvPerLinesHisto | Bar plot of missing values per lines
mvPerLinesHistoPerCondition | Bar plot of missing values per lines and per condition
mvPerLinesHistoPerCondition_HC | Bar plot of missing values per lines and per condition
mvPerLinesHisto_HC | Bar plot of missing values per lines using highcharter
mvTypePlot | Distribution of missing values with respect to intensity values
my_hc_chart | Customised resetZoomButton of highcharts plots
my_hc_ExportMenu | Customised contextual menu of highcharts plots

## -- N --

nonzero | Retrieve the indices of non-zero elements in sparse matrices
normalizeD | Normalisation
normalizeD2 | Normalisation

## -- P --

pepa.test | PEptide based Protein differential Abundance test
pepAgregate | Function agregate peptides to proteins
proportionConRev_HC | Barplot of proportion of contaminants and reverse

## -- R --

readExcel | This function reads a sheet of an Excel file and put the data into a data.frame.
removeLines | Removes lines in the dataset based on a prefix string.

## -- S --

samLRT | xxxxxx
scatterplotEnrichGO_HC | A dotplot that shows the result of a GO enrichment, using the package 'highcharter'
SumPeptides | Compute the intensity of proteins with the sum of the intensities of their peptides.

## -- T --

TopnPeptides | Compute the intensity of proteins as the sum of the intensities of their n best peptides.
translatedRandomBeta | Generator of simulated values

## -- U --

univ_AnnotDbPkg | Returns the totality of ENTREZ ID (gene id) of an OrgDb annotation package. Careful : org.Pf.plasmo.db : no ENTREZID but ORF

## -- V --

violinPlotD | Builds a violinplot from a dataframe

## -- W --

wrapper.boxPlotD | Wrapper to the boxplotD function on an object 'MSnSet'
wrapper.boxPlotD_HC | Wrapper to the boxplotD_HC function on an object 'MSnSet'
wrapper.compareNormalizationD | Builds a plot from a dataframe
wrapper.compareNormalizationD_HC | Builds a plot from a dataframe
wrapper.corrMatrixD | Displays a correlation matrix of the quantitative data of the 'exprs()' table
wrapper.corrMatrixD_HC | Displays a correlation matrix of the quantitative data of the 'exprs()' table
wrapper.CVDistD | Distribution of CV of entities
wrapper.CVDistD_HC | Distribution of CV of entities
wrapper.dapar.impute.mi | Missing values imputation using the LSimpute algorithm.
wrapper.densityPlotD | Builds a densityplot from an object of class 'MSnSet'
wrapper.densityPlotD_HC | Builds a densityplot from an object of class 'MSnSet'
wrapper.diffAnaLimma | Performs differential analysis on an MSnSet object, calling the 'limma' package functions
wrapper.diffAnaWelch | Performs a differential analysis on a 'MSnSet' object using the Welch t-test
wrapper.heatmapD | This function is a wrapper to 'heatmap.2' that displays quantitative data in the 'exprs()' table of an object of class 'MSnSet'
wrapper.impute.detQuant | Wrapper of the function 'impute.detQuant' for objects of class 'MSnSet'
wrapper.impute.pa | Imputation of peptides having no values in a biological condition.
wrapper.impute.pa2 | Missing values imputation from a 'MSnSet' object
wrapper.mvHisto | Histogram of missing values from a 'MSnSet' object
wrapper.mvHisto_HC | Histogram of missing values from a 'MSnSet' object
wrapper.mvImage | Heatmap of missing values from a 'MSnSet' object
wrapper.mvImputation | Missing values imputation from a 'MSnSet' object
wrapper.mvPerLinesHisto | Histogram of missing values per lines from an object 'MSnSet'
wrapper.mvPerLinesHistoPerCondition | Bar plot of missing values per lines and per conditions from an object 'MSnSet'
wrapper.mvPerLinesHistoPerCondition_HC | Bar plot of missing values per lines and per conditions from an object 'MSnSet'
wrapper.mvPerLinesHisto_HC | Histogram of missing values per lines from an object using highcharter 'MSnSet'
wrapper.mvTypePlot | Distribution of missing values with respect to intensity values from a 'MSnSet' object
wrapper.normalizeD | Normalization
wrapper.normalizeD2 | Normalisation
wrapper.violinPlotD | Wrapper to the violinPlotD function on an object 'MSnSet'
wrapperCalibrationPlot | Performs a calibration plot on an 'MSnSet' object, calling the 'cp4p' package functions.
writeMSnsetToExcel | This function exports a 'MSnSet' object to a Excel file.