Necessity for weighting in Hamilton's R-factor ratio test

Ford, G.C.; Rollett, J.S.

doi:10.1107/S0567739470000293

Necessity for weighting in Hamilton's R-factor ratio test

It is shown that there are theoretical grounds for believing that ratios of unweighted R-factors will be more variable than ratios of properly weighted least-squares minimization functions. An experimental confirmation of this is reported. It is recommended that apparently significantly large unweighted R-factor ratios should be checked with proper weighting.

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Necessity for weighting in Hamilton's R-factor ratio test

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