Assertion: arithmetic mean's property | /r/HasProperty | useful
Facets:
value: in making a suitable choice
type: TEMPORAL
Source sentences:
text: If this cannot be determined from theoretical considerations, then the following properties of exponentially decreasing weights are useful in making a suitable choice: at step ( 1 − w ) − 1 {\displaystyle (1-w)^{-1}} , the weight approximately equals e − 1 ( 1 − w ) = 0.39 ( 1 − w )