My apology to the list, as it turns out the moment after I hit the send
button, I found that the first element in the list was a null. The error
message reflects that.
> _
> From: Barker, Chris
> Sent: Friday, December 12, 2008 6:30
> To:
Barker, Chris wrote:
>
>
> I'd appreciate some tips, I'm making a simple mistake trying to
> extract elements from a list of fit objects.
>
> The following command works, coef( cph.list[[1]] ) , coef(
> cph.list[[3]] ) and so forth. These extract regression coefficients
> from
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