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NAME hist.4 - histogram generating
user function
SYNOPSIS fn hist.4
[bins [min
max]]
DESCRIPTION The user function hist.4 takes
your x data and generates new data for a histogram. (The
data points are lost in the process.) The histogram
is a plot of the frequency of occurrence of x values over
equally spaced intervals (or bins). You can choose the
starting value of the first bin, the end value of the last bin
and the number of bins.
The function first sorts data by the x
values. If invoked without arguments, you can select
the minimum and maximum values. The default choices are the
minimum and maximum data values.
By default, C-PLOT selects the number of
bins to be the difference between the minimum and maximum rounded
to an integer (or the difference times increasing powers of 10,
until the result is greater than 0).
Alternatively, you can enter just the number of bins on the
command line, in which case the data minimum and maximum values
will be used, or you can enter the number of bins and specify
minimum and maximum values.
When the function returns, draw the current points with a
solid line (symbol L) to obtain the histogram.
SYNOPSIS fn hist.4
SEE ALSO
fn
sy
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... Meeting the software needs of scientists since 1985 ...
Last Formatted Oct 29, 2000
Last Updated 09/13/95
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