Name

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      NGROUPS

Purpose

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      Gives # of groups of identical elements in given array.'

Category

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Calling Sequence

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      n = ngroups(a)

Inputs

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      a = array to process. in

Keyword Parameters

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Keywords

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        START=strt Start indices for all groups.
        LENGTH=len Lengths of all groups.

Outputs

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      n = number of groups in a. out

Common Blocks

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Notes

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      Note: see getgroup.

Modification History

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      R. Sterner, 1999 Aug 02
      R. Sterner, 2010 Jun 07 --- Converted arrays from () to [].
  Copyright (C) 1999, Johns Hopkins University/Applied Physics Laboratory
  This software may be used, copied, or redistributed as long as it is not
  sold and this copyright notice is reproduced on each copy made. This
  routine is provided as is without any express or implied warranties
  whatsoever. Other limitations apply as described in the file disclaimer.txt.