[R] problem w/ lm() ?

[Francisco Cribari]

Any thoughts on the following? Am I missing something? [I am running R 
for Windows 0.63.1 on a Win NT 4.0 (workstation, sevice pack #4) box.] 
Thanks. FC.


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Version 0.63.1 Beta (Dec 5, 1998)

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[Previously saved workspace restored]

> data(women)
> names(women)
[1] "height" "weight"
> summary(lm(weight ~ height, data = women))

Call:
lm(formula = weight ~ height, data = women)

Residuals:
    Min      1Q  Median      3Q     Max 
-1.7333 -1.1333 -0.3833  0.7417  3.1167 

Coefficients:
Error: binary operator applied to invalid types

                    
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