The function plot.capdist
plots the capital distribution curve.
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x 
a 
draw.line 

cut.end 
A number between 0 and 1. It is the proportion of the smallest assets that will be ignored when fitting a straight line to the capital distribution curve. The default value is 0.1. 
... 
further arguments such as 
A capital distribution curve is the loglog curve of the market weights against the rank. Empirically, capital distribution curves are approximately Paretoshaped with some concavity at the lower end.
Fernholz, E. R. (2002) Stochastic portfolio theory. Springer.
capdist
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