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Re: extracting rows of $coefficients by variable name?

To: Steve Sullivan <ssullivan@qedgroupllc.com>
Subject: Re: extracting rows of $coefficients by variable name?
From: Spencer Graves <spencer.graves@PDF.COM>
Date: Fri, 23 May 2003 08:04:50 -0700
Cc: s-news@lists.biostat.wustl.edu
References: <D4C203B93FEDF04CA2B493EB08F2E431030514@qeds001.hq.wash.qedgroupllc>
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.0.2) Gecko/20030208 Netscape/7.02
> dat <- data.frame(x = 1:5, y = rnorm(5))
> fit <- lm(y ~ x, dat)
> sumFit <- summary(fit)$coefficients
> sumFit
                 Value Std. Error    t value Pr(>|t|)
(Intercept) -0.1305024  0.4230274 -0.3084962 0.777886
          x -0.1890876  0.1275476 -1.4824866 0.234830

hth.  spencer graves

Steve Sullivan wrote:
Is there a handy way to extract information from a summarized lm or glm object?s $coefficients by variable name? I want to pull out only the coefficient estimate, SE, t-value and p-value for a particular variable (my treatment indicator).

Thanks in advance,

STS

Steven Sullivan, Ph.D.

Senior Associate

The QED Group, LLC

1250 Eye St. NW, Suite 802

Washington, DC  20005

ssullivan@qedgroupllc.com

202.898.1910.x15 (v)

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