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WMEAN

WMEAN

Purpose


  Calculates the weighted mean of a set of measurements.

Category


  Statistics

Calling Sequence


  result = wmean(val, dval, [/nan, error = error])
 

Inputs


  val : A vector of data values
  dval: The error on each data value

Keyword Parameters


  nan: If set, treat NANs as missing data
  error: Set to a named variable to hold the error on the weighted
        mean
 

Outputs


  The weighted mean

Modification History


  April 2009 Written by Chris Beaumont
  April 23 2009 fixed integer truncation bug



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