Message-ID: <F7D95B57-D6A5-455A-8DD1-E6C65E6A6CDD@uiuc.edu>
Date: 2006-02-08T19:08:36Z
From: Roger Koenker
Subject: rob var/cov + LAD regression
In-Reply-To: <20060208172244.116d59f8.secchi@sssup.it>
On Feb 8, 2006, at 10:22 AM, Angelo Secchi wrote:
>
> 1. Is there a function to have a "jackknifed corrected var/cov
> estimate" (as described in MacKinnon and White 1985) in a standard
> OLS regression?
package: sandwich
>
> 2. Does R possess a LAD (Least Absolute Deviation) regression
> function?
>
package: quantreg
url: www.econ.uiuc.edu/~roger Roger Koenker
email rkoenker at uiuc.edu Department of Economics
vox: 217-333-4558 University of Illinois
fax: 217-244-6678 Champaign, IL 61820