Statistical metabolomics tools


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Documentation for package ‘MetStaT’ version 1.0

Help Pages

ASCA.Calculate ASCA method (ANOVA-simultaneous component analysis)
ASCA.DoPermutationTest Permutation test for ASCA
ASCA.GetPowerSet Determines the power set of the input set.
ASCA.GetRowRepeats Determination of all unique row value combinations
ASCA.GetSummary Summary method for ASCA analyses
ASCA.Plot Plot ASCA results
ASCA.PlotLoadings Loadings plot for a specific factor/interaction of the ASCA
ASCA.PlotScores Score plot for a specific factor or interaction of the ASCA
ASCA.PlotScoresPerLevel ASCA scores plot with projected data.
ASCAdata Example data for ASCA.Calculate
ASCAF Indicator matrix for ASCA example.
ASCAX Data matrix for ASCA example
FoM.Calculate Calculate best fitting Figure of Merit using method by Van Batenburg et al. (2011).
FoM.FitBinnedSampleRepeatErrors Fitting step in Figure of Merit calculation.
FoM.GetIdOrderedMatrix Order the matrix of samples by their ID
FoM.OrderAndBinIdByMeans Bin sample repeats and samples with similar means
FoMData Example data for FoM.Calculate
MetStaT.ConcatWithStringPars Concatenates an array of strings
MetStaT.ConvertToNumeric Converts a matrix of strings to numeric values
MetStaT.ConvertToNumericClasses Convert value-types in an array or matrix (per column) to pre-defined class-values
MetStaT.CreateFileFromHeaderMatrix Writes a matrix to file with column names and optionally row names as well.
MetStaT.CreateFileFromHeaderRowMatrix Writes a matrix to file with row and column names, and optionally a description at the first (top left) data position in the file.
MetStaT.ExportDataToFile Exports the results of supplied R expressions as text files in a single zip package.
MetStaT.GetFreqTable Tabulates the frequency of all unique values.
MetStaT.GetPcTuples Obtain all possible pairs of principal components out of a defined set.
MetStaT.KillAllDevices Kills all currently active plot windows.
MetStaT.mldivide Matrix left hand division using a copy of the 'pracma' package 'mldivide' method.
MetStaT.mrdivide Matrix right hand division using a copy of the 'pracma' package 'mrdivide' method.
MetStaT.PlotToFile Save results of R plotting expressions to files in a zip package.
MetStaT.ReadFileToHeaderMatrix Reads a data file to a matrix.
MetStaT.RemoveNaColumns Removes all columns in a matrix that contain one or more NAs.
MetStaT.ScalePip Centering and scaling function
MetStaT.TrimCustom Limits an input string to a certain length
MetStaT.WriteDataObjectToFile Write data contained within an R object as character output to a file.
PCA.Calculate Adapted version of R's base Principal Component Analysis function (svd)
PCA.PlotLoadings Loadings plot for the results of PCA.Calculate
PCA.PlotScores Score plot for the results of PCA.Calculate.
QStat.Calculate Global test for metabolic pathway differences between conditions
QStat.PermutationTest Accompanying permutation test for QStat.Calculate
QStatX Data matrix for QStat.Calculate example
QStatY Matrix for QStat.Calculate example
RevNet.JacobianMethod Reverse engineering of networks: Penalized Jacobian method
RevNet.TimeLaggedMethod Reverse engineering of networks: Time-lagged correlation method
RevNet.ZeroSlopesMethod Reverse engineering of networks: zero slopes method
RevNetJacobian Example data for RevNetJacobianMethod
RevNetTimeLagged Example data for RevNetTimeLaggedMethod
RevNetZeroSlopes Example data for RevNetZeroSlopesMethod
SteadyState Example data for RevNetJacobianMethod