File:Least squares not robust.jpg

Transferred from en.wikipedia to Commons by Maksim.

Summary[edit]

File generated in R (www.r-project.org). Source code was:

xo=c(1,2,7,4,5,6,7,8,9,10) x=(1:10) jpeg("least_squares_not_robust.jpg") plot(x,xo, xlab="x",ylab="y",main="Least squares with outlier", pch=7) lines(x[-3],x[-3]) beta=lm(xo~x)$coeff lines(x,beta[1]+beta[2]*x,col=2) dev.off()

Licensing[edit]

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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue

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	You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
	This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue

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Original upload log[edit]

Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version.

Click on date to download the file or see the image uploaded on that date.

• (del) (cur) 19:06, 13 January 2006 . . Deimos 28 ( en:User_talk:Deimos_28 Talk) . . 480x480 (16183 bytes)
• (del) (rev) 19:04, 13 January 2006 . . Deimos 28 ( en:User_talk:Deimos_28 Talk) . . 480x480 (16134 bytes)
• (del) (rev) 19:01, 13 January 2006 . . Deimos 28 ( en:User_talk:Deimos_28 Talk) . . 480x480 (16004 bytes) (File generated using R (www.r-project.org). Source code is: xo=c(1,2,7,4,5,6,7,8,9,10) x=(1:10) jpeg("least_squares_not_robust.jpg") plot(x[-3],x[-3], xlab="x",ylab="y",main="Least squares with outlier", pch=7) lines(x[-3],x[-3]) beta=lm(xo~x)$coeff line)
• (del) (rev) 18:38, 13 January 2006 . . Deimos 28 ( en:User_talk:Deimos_28 Talk) . . 612x792 (27654 bytes) (File generated in R by me - forgot the source code (not complicated).)