checkAlignedDims        Check whether some dimensions of two arrays are
                        aligned
checkColorMap           Check color map for a factor
checkSameLength         Check whether the lengths of input objects are
                        equal
chunkPoints             Generate chunk points
fastIntersect           A fast version of base::intersect()
fetchColnames           Fetch column names exists in the data object
getDiscreteColors       Generate palettes of distinct colors
isValidCharacters       Check valid characters
pal_discrete            A palette list for distinct colors.
pasteFactors            Paste two factor vectors
replaceEntries          Replace entries according to a mapping list
unlistMap               Unlist a mapping list into a named vector
verboseMsg              Simple verbose message wrapper
