All functions

create_chartcode()

Construct a single chart code from user input

get_breakpoints()

Find table of break ages and labels

get_chartgrp()

Obtain the chart group from the chartcode

get_inverse_tx()

Obtain the inverse tx() transformation function

get_inverse_ty()

Obtain the inverse ty() transformation function

get_refcode()

Obtain the name of the reference code used on a chart

get_reference() get_reference_call()

Obtain the growth reference behind the chart

get_seq()

Obtain the transformation sequence from a chartcode and yname

get_tx()

Obtain the tx() transformation function

get_ty()

Obtain the ty() transformation function

get_viewport()

Obtain the viewport name of the chart

get_ynames()

Obtain response variables from a chartcode

parse_chartcode()

Parses the chart code

ynames_lookup

Details of installed charts