Chart to Facilitate the Calculation of Partial Coefficients of Correlation And Regression Equations
The book Chart to Facilitate the Calculation of Partial Coefficients of Correlation And Regression Equations was written by author Kelley, Truman Lee, 1884- Here you can read free online of Chart to Facilitate the Calculation of Partial Coefficients of Correlation And Regression Equations book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Chart to Facilitate the Calculation of Partial Coefficients of Correlation And Regression Equations a good or bad book?
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„ , (6) in which *i2 may be read, "the coefficient of alienation between 1 and 2." •^1-2 ^^ "l ''12 Accordingly k,^^ is a measure of variability, or freedom of variable 1 from variable 2 which is independent of the standard deviations of the variables. If 1 is the dependent variable and 2 the independent it will be convenient, in place of k^^ , to use the notation fej.j , which may be read, "the freedom of 1 from 2." Similarly ^1.23 is the freedom of 1 from 2 and 3, or "the variability in 1 una...ccounted for by 2 and 3.'' With this explanation the meaning of such symbols as k^^s , ^1-23 • ■ • « . ^3-124 ■ • • n , etc., will be obvious. Further, if we write, ^l23 + r\.^3 = 1 (in general : k\.^s ...n + r\.^^ . . . „ = 1) (8) ri.33 is the correlation between 1, and 2 and 3 when combined by the re- gression equation. The symbol here given, r^^.^s , is an extension of the notation introduced by Yule ^ in the symbol ai.23 . The relationship is fi ^1-23 = Oi VI— »"' The standard error of estimate, O1.23 .
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