pentile

noun

1. Any of the four points that divide an ordered distribution into five parts, each containing a fifth (20%) of the population. Used commonly for income distributions.
2. Any one of the five groups.

   “Her income placed her in the lowest pentile of the income distribution.”

   “high (30) & very high (10) pentiles not analyzed in IRP Apply pentiling to streamflows at all hydro plant locations from American Falls to Brownlee inflow (i.e. years comprising a pentile at Brownlee are those comprising the pentile at all locations)”

3. (alt-of, obsolete)Obsolete form of pantile (“type of roof tile”).

verb

1. To divide into pentiles.

   “Apply pentiling to streamflows at all hydro plant locations from American Falls to Brownlee inflow (i.e. years comprising a pentile at Brownlee are those comprising the pentile at all locations)”