HARMMEAN calculates the harmonic mean of data elements. The harmonic mean is the inverse of the mean of the inverse elements. y = harmmean(x [,DIM [,W]]) is the same as y = mean(x,'H' [,DIM [,W]]) DIM dimension 1 STD of columns 2 STD of rows default or []: first DIMENSION, with more than 1 element W weights to compute weighted mean (default: []) if W=[], all weights are 1. number of elements in W must match size(x,DIM) features: - can deal with NaN's (missing values) - weighting of data - dimension argument also in Octave - compatible to Matlab and Octave see also: SUMSKIPNAN, MEAN, GEOMEAN

- sumskipnan SUMSKIPNAN adds all non-NaN values.

- naninsttest NANINSTTEST checks whether the functions from NaN-toolbox have been
- nantest NANTEST checks several mathematical operations and a few

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