> Despite the truncated rounding, the technique could probably still be valuable. How would that work exactly? As long as a title has over, say, 10,000 sales,

> Despite the truncated rounding, the technique could probably still be valuable. How would that work exactly? As long as a title has over, say, 10,000 sales, rounded percentages don't eliminate any possible values for the total number. If one value doesn't give you any information, how would sampling more values help?