| 释义 |
histogram Statistics.|ˈhɪstəʊgræm|
[f. Gr. ἱστό-ς mast, web + -gram.]
A diagram consisting of a number of rectangles or lines drawn (usu. upwards) from a base line, their position along this line representing the value or range of one variable and their height the corresponding value of a second variable.
1891in E. S. Pearson Karl Pearson (1938) 143 The geometrical representation of statistics... D. By Columns. Histograms. Optical advantage of vertical over horizontal columns. 1895K. Pearson in Philos. Trans. R. Soc. A. CLXXXVI. 399 The histogram shows, however, the amount of deviation at the extremes of the curve. [Note. The word ‘histogram’ was] introduced by the writer in his lectures on statistics as a term for a common form of graphical representation, i.e., by columns marking as areas the frequency corresponding to the range of their base. 1903Nature 17 Dec. 149/2 We should like to protest against any such crude process of determining goodness of fit as that of placing a normal curve down on seven or eight blocks forming a ‘histogram’ and judging the look of the fit. 1949Jrnl. R. Aeronaut. Soc. LIII. 974/2 In Fig. 4..the best exponential curve has been fitted to the histogram of the lengths of over 1,300 conversations on the London Airport R/T channel of frequency 118·1 Mcs. 1969Nature 15 Nov. 655/2 The 178 z-values analysed are collected in bins of 0·01z and are then marked off as a histogram on a z-scale. |