Re: [ccp4bb] Specifics of different SCALEIT refinements

2022-05-13 Thread Phil Evans
Dear Alisia I assume you have read the documentation at https://www.ccp4.ac.uk/html/scaleit.html in particular the comment "Note that there is no unique solution to the problem of scaling together two different data sets. “ The program was written (a long time ago) to scale a heavy-atom deriva

Re: [ccp4bb] Specifics of different SCALEIT refinements

2022-05-13 Thread Jon Cooper
Hello, scaleit is for derivative-to-native scaling whereas the Fox and Holmes method is generally for batch scaling and merging, as done, for example, by scala and its successors, but it is all non-linear least squares, so the methods will be fundamentally the same. Hope this helps a bit, Jon.C.

[ccp4bb] Specifics of different SCALEIT refinements

2022-05-12 Thread Fadini, Alisia
Dear all, I am having trouble following from the documentation what specific functions are minimized in SCALEIT for the different REFINE options and how the Fox&Holmes method is applied. Any insight would be very helpful! All the best, Alisia ###