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# ML FF CSF

ML_FF_CSF = [real]
Default: ML_FF_CSF = ${\displaystyle 0.02}$

Description: This flag sets the threshold for the spilling factor in the machine learning force field method.

Within the learning step if a newly considered structure gives a spilling factor larger than ML_FF_CSF, the sampling is stopped and a new force field is generated. This flag is only used if ML_FF_IERR=1 or 3. The spilling factor is a unitless quantity.