| 单词 | regression line |
| 释义 | > as lemmasregression line regression line n. Statistics a graph of the expected value of a dependent variable plotted against the value of an independent variable; the line that best expresses an inexact relationship between two variables, spec. a line of best fit. ΘΚΠ the world > relative properties > number > probability or statistics > [noun] > graph > of dependent against independent variables regression curve1899 regression line1899 1899 K. Pearson in Philos. Trans. (Royal Soc.) A. 192 223 The dwarfs and giants appeared to deviate from the regression line in a remarkably symmetrical manner. 1950 Jrnl. Hygiene 48 24 Graphical estimation, drawing in the apparent best lines by eye, has been used in view of the difficulty and complexity of attempting to calculate regression lines with points of varying accuracy. 2006 L. R. Jaisingh Statistics for Utterly Confused (ed. 2) 109 Least-squares analysis allows us to determine values for a and b such that the equation of the regression line best represents the relationship between the two variables. < as lemmas |
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