a character string and one of the following: Spotnumber, Internal_GeneID, GeneName, SpotType, SigIntensity, SDSIntensity, Background, LabtekNb, RowNb, ColNb, ScreenNb, NbCells, PercCells, ...
equalTo
A value or character string specifying the value in the chosen column, e.g. all wells on plate 2
Value
A subset of the dataset containing only the wells/lines having a certain value in a specified column.