as.array.px             Extraction of data from px objects into arrays
as.data.frame.px        Extraction of data from px into data.frame
                        objects
as.px                   Convert an array or a data.frame into an object
                        of class px
read.px                 Reads a PC-Axis file
summary.px              summary.px
write.json.stat         Write a px object in JSON-stat format.
write.px                Write a PC-Axis file
