One of the estimation methods used in mathematical statistics. Suppose there are N jars, each containing a different amount and concentration of salt water. Number the jars and let the amount of salt water in the k -th jar be x k and the amount of salt it contains be y k . In this case, there are two types of measurements: x 1 , x 2 , …, x N y 1 , y 2 , …, y N. Assume that N is a very large number, and that it is possible to inspect the salt water in the first n jars ( n < N ). In other words, x 1 , x 2 , …, x n ; y 1 , y 2 , …, y n can be known. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
数理統計学で用いられる推定法の一つ。N個の壺があり,それぞれの壺の中に量,濃度の異なる食塩水が入っているとしよう。壺に番号をつけk番目の壺に入っている食塩水の量をxk,その食塩水が含む食塩の量をykとする。このとき2種類の計量, x1,x2,……,xN y1,y2,……,yNが存在することになる。Nは非常に大きな数であるとし,最初のn個(n<N)の壺の食塩水について検査できるとする。すなわち,x1,x2,……,xn;y1,y2,……,ynは知ることができる。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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