[R] problem using evaluating a formula

[Gavin Simpson]

On Tue, 2005-08-02 at 18:27 +0100, Gavin Simpson wrote:
> ##data
<snip>
> 
> coca(y1 ~ y2, method = "symmetric", symmetric= TRUE)

sorry, this should have been:

coca.formula(y1 ~ y2, method = "symmetric", symmetric= TRUE)

> gives:
> 
> Error in model.frame(formula, rownames, variables, varnames, extras,
> extranames,  : 
> 	invalid variable type
<snip>

G
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Gavin Simpson                     [T] +44 (0)20 7679 5522
ENSIS Research Fellow             [F] +44 (0)20 7679 7565
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