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rms calc

› Forums › Spectroscopy › Help with ISIS › rms calc

15 January 2017 at 11:22 am #577811
David Boyd
Participant

Hi John,

To get the value for the rms residual given by ISIS you need to calculate sqrt(sumsq(dlambda values)/6) because you have 11 lines and there are 5 parameters in the fit.

David