Interquartile range, the difference of the 0.75 and 0.25 quantiles. Equivalent to R's IQR().
IQR()
IQR([1, 2, 3, 4, 5, 6]); // 2.5 Copy
IQR([1, 2, 3, 4, 5, 6]); // 2.5
Interquartile range, the difference of the 0.75 and 0.25 quantiles. Equivalent to R's
IQR().