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       plbin - Plot a histogram from binned data


       plbin(nbin, x, y, opt)


       Plots  a  histogram  consisting  of  nbin bins.  The value associated with the i'th bin is
       placed in x[i], and the number of points in  the  bin  is  placed  in  y[i].   For  proper
       operation,  the values in x[i] must form a strictly increasing sequence.  By default, x[i]
       is the left-hand edge of the i'th bin. If opt=PL_BIN_CENTRED is used, the  bin  boundaries
       are placed midway between the values in the x array.  Also see plhist(3plplot) for drawing
       histograms from unbinned data.

       Redacted form:  General: plbin(x,  y,  opt)  Perl/PDL:  plbin(nbin,  x,  y,  opt)  Python:
       plbin(nbin, x, y, opt)

       This function is not used in any examples.


       nbin (PLINT, input)
              Number of bins (i.e., number of values in x and y arrays.)

       x (const PLFLT *, input)
              Pointer  to  array  containing  values  associated  with  bins.   These must form a
              strictly increasing sequence.

       y (const PLFLT *, input)
              Pointer to array containing number of points in bin.  This is a PLFLT  (instead  of
              PLINT) array so as to allow histograms of probabilities, etc.

       opt (PLINT, input)
              Is  a  combination  of several flags: opt=PL_BIN_DEFAULT: The x represent the lower
              bin boundaries, the outer bins are expanded to fill up the entire x-axis  and  bins
              of zero height are simply drawn.  opt=PL_BIN_CENTRED|...: The bin boundaries are to
              be midway between the x values. If the values in x are equally spaced,  the  values
              are  the  center  values  of the bins.  opt=PL_BIN_NOEXPAND|...: The outer bins are
              drawn with equal size as the ones inside.  opt=PL_BIN_NOEMPTY|...: Bins  with  zero
              height are not drawn (there is a gap for such bins).


       Many  developers  (who  are  credited  at have
       contributed to PLplot over its long history.


       PLplot documentation at

                                          February, 2016                           PLBIN(3plplot)