[R] Y-intercept Value

Prof Brian Ripley ripley at stats.ox.ac.uk
Tue Aug 7 05:23:29 CEST 2007

?offset : you can specify a different intercept for each case, or a common 

Or you could just use lm (y - 3 ~ 0 +x), but offset() works better for 

On Mon, 6 Aug 2007, Benjamin Zuckerberg wrote:

> Hello everyone,
> Quick question...is there a way of specifying a y-intercept value
> within a lm statement.  For example, if I wanted to specify the
> regression to pass through the origin I would enter lm(y~0+x).  But
> can I specify an actual term such as 1,2,3,4, etc. as an intercept
> value?  Thank you!

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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