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.help mkhistogram Feb88 obsolete
.ih
NAME
mkhistogram -- print or plot the histogram of a data stream
.ih
USAGE
mkhistogram file
.ih
PARAMETERS
.ls file
The name of the text file containing the data (may be STDIN).
.le
.ls nbins
The number of bins in the histogram.
.le
.ls z1 = INDEF, z2 = INDEF
The minimum and maximum histogram intensity. Z1 and z2 default to the data
minimum and maximum.
.le
.ls listout = yes
List instead of plot the histogram.
.le
.ls device = "stdgraph"
The output graphics device.
.le
.ih
DESCRIPTION
MKHISTOGRAM calculates the histogram of the data in the text
file \fIfile\fR using
the parameters \fInbins\fR, \fIz1\fR and \fIz2\fR. If the z1 or z2 are
undefined the image min or max is used. If \fIlistout\fR = no, the
histogram is plotted on the graphics device specified by \fIdevice\fR.
Otherwise the histogram is listed on the standard output.
.ih
EXAMPLES
1. Output the histogram of data to a file.
.nf
cl> mkhisto magsdata nbins=100 > magsdata.hst
.fi
2. Plot the histogram of data between the 12.0 and 26.0 with a binsize
if 0.5 on standard graph. Notice that the extra bin will contain
points for which z2 is exactly 26.
.nf
cl> mkhist magsdat nbins=29 z1=12.0 z2=26.0 li-
.fi
.ih
TIME REQUIREMENTS
.ih
BUGS
.ih
USE INSTEAD
plot.phistogram
.ih
SEE ALSO
images.imhistogram, fields
.endhelp
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