For an n-tile of a data set with 𝑁 elements, the i-th n-tile is defined as: 𝑞𝑖=𝐿+𝑖𝑛×𝑁−prevfreq×𝑊 Where: 𝐿: left bound of range [𝐿,𝑅) containing 𝑖𝑛×𝑁 prev: sum of previous ranges (excluding current) 𝑊=𝑅−𝐿 Related mode of grouped data References