3 ms·
One alternative to leaving out the questions that take a long time is to calculate the average of log(minutes). Harder to interpret, but it accounts for the qu
by dbecker 14y ago
One alternative to leaving out the questions that take a long time is to calculate the average of log(minutes).
Harder to interpret, but it accounts for the questions with long delays without letting those questions dominate the calculation.
- subleq 14y agoThis technique is actually equivalent to the geometric mean: http://en.wikipedia.org/wiki/Geometric_mean#Relationship_with_arithmetic_mean_of_logarithms http://en.wikipedia.org/wiki/Geometric_mean#Relationship_wit...
- alexchamberlain 14y agoI would have looked at removing the top and bottom 10% and/or fitting a sensible distribution.