гистограммы с древнейших времен
The histogram is a statistical technique with a long history.
Kun He, Glen Meeden "Selecting the Number of Bins in a Histogram: A Decision Theoretic Approach"
// 1997, Journal of Statistical Planning and Inference, Vol 61, 59.
Kun He, Glen Meeden "Selecting the Number of Bins in a Histogram: A Decision Theoretic Approach"
// 1997, Journal of Statistical Planning and Inference, Vol 61, 59.