PPT Slide
Scaling datasets together
For multiple-wavelength datasets, it is best to scale all wavelengths together simultaneously. This is then a local scaling to minimise the difference between datasets, reducing the systematic error in the anomalous and dispersive differences which are used for phasing
Other advantages of simultaneous scaling:-
• rejection of outliers with much higher reliability because of higher multiplicity
• correlations between DFanom and DFdisp indicate the reliability of the phasing signal
• approximate determination of relative f" and relative Df' values