line

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Robust Line Fitting

Fit a line robustly as recommended in Exploratory Data Analysis.

Keywords
robust, regression
Usage
line(x, y)
Arguments
x, y
the arguments can be any way of specifying x-y pairs. See xy.coords.
Details

Cases with missing values are omitted.

Long vectors are not supported.

Value

  • An object of class "tukeyline".

    Methods are available for the generic functions coef, residuals, fitted, and print.

References

Tukey, J. W. (1977). Exploratory Data Analysis, Reading Massachusetts: Addison-Wesley.

See Also

lm.

Aliases
  • line
  • residuals.tukeyline
Examples
library(stats) require(graphics) plot(cars) (z <- line(cars)) abline(coef(z)) ## Tukey-Anscombe Plot : plot(residuals(z) ~ fitted(z), main = deparse(z$call))
Documentation reproduced from package stats, version 3.3, License: Part of R 3.3

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