[R] List of influential points?

[Schwab,Wilhelm K]

Michael,

That looks like what I need - thanks!

Bill



________________________________________
From: Michael Bedward [michael.bedward at gmail.com]
Sent: Monday, November 29, 2010 7:36 PM
To: Schwab,Wilhelm K
Cc: r-help at r-project.org
Subject: Re: [R] List of influential points?

Hi Bill,

Have a look at the influence.measures function...

my.lm <- lm( ... )
influence.measures( my.lm )

Hope this helps,

Michael


On 30 November 2010 00:13, Schwab,Wilhelm K <bschwab at anest.ufl.edu> wrote:
> Hello all,
>
> I fit a linear model to some data and used plot() to create diagnostic plots for the fit; I am having trouble reading the points that R is flagging as influential.  Is there a way to get the list of influential points from the fit or its summary, etc.?  Most likely, there are a few points appearing in almost the same place, making it difficult to read from the plots.
>
> Bill
>
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