negativeIntensitiesCorrection {clippda} | R Documentation |
This function corrects the mass spectra data, which has been pre-processed using
tools tools from the Biomarkers Wizard PROcess
softwares, for the negative
intensities caused by their normalization and background correction
procedures.
negativeIntensitiesCorrection(Data)
Data |
is a dataframe , or a matrix, or a vector, of numerical values. |
A dataframe , or a matrix, or a vector (whichever is the input quantity), of nonnegative numerical values.
Stephen Nyangoma
data(liverdata) no.peaks <- 53 JUNK_DATA <- sampleClusteredData(liverdata,no.peaks) Data=JUNK_DATA Data=JUNK_DATA Data=Data+1 temp=negativeIntensitiesCorrection(Data) temp[,1] Data[,1]