line {eda} | R Documentation |
This function fits a line robustly as recommended in Exploratory Data Analysis.
line(x, y) coef(object, ...) residuals(object, type, ...) fitted(object, ...) print(x, digits = max(3, getOption("digits") - 3), ...)
x,y |
the arguments can be any way of specifying x-y pairs. |
object |
a tukeyline object, typically the result of line(*) . |
An object of class tukeyline
.
Methods are available for the generic functions coef
,
residuals
, fitted
, and print
.
Tukey, J. W. (1977). Exploratory Data Analysis, Reading Massachusetts: Addison-Wesley.
lm
.
library(eda) data(cars) plot(cars) (z <- line(cars)) abline(coef(z)) ## Tukey-Anscombe Plot : plot(residuals(z) ~ fitted(z), main = deparse(z$call))