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# spacepy.toolbox.bin_edges_to_center

`spacepy.toolbox.``bin_edges_to_center`(edges)

  Convert a list of bin edges to their centers

  Given a list of edge values for a set of bins, finds the center of each bin. (start of bin n+1 is assumed to be end of bin n).

  Center of bin n is arithmetic mean of the edges of the adjacent bins.

  Parameters: | edges : list list of edge values for bins
  Returns: | out : numpy.ndarray array of centers for bins **note: returned array will be one element shorter than edges** :

  Examples

      >>> import spacepy.toolbox as tb
      >>> tb.bin_center_to_edges([1,2,3])
      [0.5, 1.5, 2.5, 3.5]

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