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Results tagged with metric
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user 300234
A metric is a function that outputs a distance between 2 elements of a set & meets certain strict criteria (some 'distance' functions are not metrics).
1
vote
1
answer
39
views
How do we compare MAPEs?
if we have two models M1 and M2:
MAPE_{M1} = 100%
and
MAPE_{M2} = 70%$
Does that mean that M2 is better than M1? can we say that M2 is (100/70 -1)*100 = 43% better?
- 247
2
votes
1
answer
437
views
Does it make sense to increment by 1 the numerator and denominator in the MAPE to avoid divi...
One of the drawbacks of MAPE is that you can have actuals equal to 0. This will result in a division by 0 and thus an undefined MAPE. Does it make sense to increment by 1 the numerator and denominator …
- 247