Delila Program: hgraph
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hgraph program

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Documentation for the hgraph program is below,
with links to related programs in the "see also" section.

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**{version = 1.08; (* of hgraph.p 1995 July 27}
(* begin module describe.hgraph *)
(*
name
hgraph: make uncertainty (H) graph
synopsis
hgraph(input: intty, output: out)
files
input: number of divisions
output: probability versus h for graphing
description
Shannon's uncertainty H is calculated for two symbols. The probabilities
run from 0 to 1. The number of divisions from 0 to 1 is given by the input.
The output can be plotted directly with the xyplo program.
examples
1.0 0.4 zerox zeroy graph coordinate center
x 0 1 zx min max (character, real, real) if zx='x' then set xaxis
y 0 1 zy min max (character, real, real) if zy='y' then set yaxis
10 10 1 1 xinterval yinterval number of intervals on axes to plot
4 4 xwidth ywidth width of numbers in characters
1 1 xdecimal ydecimal number of decimal places
3 3 xsize ysize size of axes in inches
probability
uncertainty, H (bits)
a zc 'c' crosshairs, axXyYnN
n 2 zxl base if zxl='l' then make x axis log to the given base
n 2 zyl base if zyl='l' then make y axis log to the given base
*********************************************************************
1 2 xcolumn ycolumn columns of xyin that determine plot location
0 symbol column the xyin column to read symbols from
0 0 xscolumn yscolumn columns of xyin that determine the symbol size
0 0 0 hue saturation brightness columns for color manipulation
*********************************************************************
symbol-to-plot c(circle)bd(dotted box)x+Ifgpr(rectangle)
0 symbol-flag character in xyin that indicates that this symbol
0.05 symbol sizex side in inches on the x axis of the symbol.
0.05 symbol sizey as for the x axis, get size from yscolumn
cl 0.05 no connection (example for connection is c- 0.05 for dashed 0.05 inch)
n 0.05 linetype size linetype l.-in and size of dashes or dots
*********************************************************************
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*********************************************************************
documentation
Figure created by this program (with 100 divisions) is used in
ftp://ftp.ncifcrf.gov/pub/delila/primer.ps
see also
xyplo.p
author
Thomas Dana Schneider
bugs
none known
*)
(* end module describe.hgraph *)
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