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Though I absolutely agree with vgc methodology and ioi's explanation of that, in my opinion it doesn't help that vgc sticks with reporting numbers that are higher precision than the source data can support. The precision of a number should be based on the margin of error of the underlying data, otherwise you are simply making up a level of precision that isn't supported. If the margin is 5%, then sales of 101428 should be reported as 101428 +/- 5071, or simply 100k because you've got a 4 digit margin of error (leaving the 2 most significant numbers as the actual supported data). That's basic statistical and scientific practise, not reporting data at a higher precision than the data can support. The difficulty obviously is working out your error margin