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R-factors: Difference between revisions
→Comparing two sets of structure factor amplitudes or intensities
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The following is symmetric, and suitable for comparing two data sets, or two model amplitudes: | The following is symmetric, and suitable for comparing two data sets, or two model amplitudes: | ||
<math> | <math> | ||
R=\frac{\sum_{hkl}\vert F_{hkl | R=\frac{\sum_{hkl}\vert F_{hkl,i}-F_{hkl,j}\vert}{0.5\sum_{hkl} F_{hkl,i}+F_{hkl,j}} | ||
</math> | </math> | ||
for amplitudes, and analogously for intensities | for amplitudes, and analogously for intensities. This R value is called R<sub>scale</sub>, as far as I know. | ||
=== Model quality indicators === | === Model quality indicators === | ||