vector[1:n] describes an array of data: n cases in rows of one variable

optional, an vector of values specifying where interpolation takes place, created by seq of package base

gini index i.e. the integral over Area *200 -100 given in percent i.e in [0..100]

vector [1:k], cumulative population in percent

vector [1:k], cumulative high data in percent

vector [1:m], columnvector containing Data>=0 and zeros for all NA, NaN and negative values in Data(1:n)