This function returns an approximate interpolated value from the set of values in a group based on percentile value and sort specification. Since this is an ...
These two functions calculates a percentile based on a continuous or discrete distribution of the column values. PERCENTILE_CONT calculates a percentile based on a continuous distribution. It will ...
システムのログ解析や売上データの集計を行う際、「平均値」だけを見てシステムの状況やビジネスの判断を下してしまうと、思わぬ誤認を招くことがあります。たとえば、一部の極端に時間のかかった処理や、突発的な大口の売上(いわゆる外れ値)が ...