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Doc fix: definition of varPop (#4403)

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Vivien Maisonneuve 2019-02-14 17:44:46 +01:00 committed by Ivan Blinkov
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docs/en/query_language/agg_functions/reference.md
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@ -421,7 +421,7 @@ Returns `Float64`. When `n <= 1`, returns `+∞`.
## varPop(x)
Calculates the amount `Σ((x - x̅)^2) / (n - 1)`, where `n` is the sample size and `x̅`is the average value of `x`.
Calculates the amount `Σ((x - x̅)^2) / n`, where `n` is the sample size and `x̅`is the average value of `x`.
In other words, dispersion for a set of values. Returns `Float64`.