PSI
Also written: population stability index
Population stability index: a number for how far a column's distribution has moved from the reference. Below 0.1 is stable, 0.1 to 0.25 watch, above 0.25 a real shift.
Also written: population stability index
Population stability index: a number for how far a column's distribution has moved from the reference. Below 0.1 is stable, 0.1 to 0.25 watch, above 0.25 a real shift.