File:Biweight.png

File:Biweight.svg is a vector version of this file. It should be used in place of this PNG file.Category:Superior vector version available
File:Biweight.png → File:Biweight.svg
For more information, see Help:SVG.
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New SVG image

Summary

English: This image is an example of a Tukey biweight function. It was created under R by the following code:

f = function(x, c) {

   if (abs(x) < c) {
       return(x*((1-(x/c)^2))^2)
   }
   else {
       return(0)
   }

}

x= (-1000:1000)/100

y[1] = f(x[1], 3)

for (i in x[-1]) {y = c(y, f(i, 3))}

jpeg(filename = "biweight.jpg", width = 480, height = 480)

plot(x, y, type="l", col=2)

dev.off()

Description
This file has no description, and may be lacking other information.

Please provide a meaningful description of this file.
Date
Source w:Image:Biweight.jpg
Author wikipedia:en:user:Deimos 28
Permission
(Reusing this file)
This work has been released into the public domain by its author, Deimos 28, at the English Wikipedia project. This applies worldwide.

In case this is not legally possible:
Deimos 28 grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Category:PD-user#Biweight.png
Other versions w:Image:Biweight.jpg
Category:Media lacking a description Category:Statistics
Category:Media lacking a description Category:PD-user Category:Statistics Category:Superior vector version available