[R] termplot

[Göran Broström]

I am experimenting with 'termplot':

> fit1 = coxph(Surv(time, status) ~ ns(bili, 4) + ns(age, 4), data = pbc)
> termplot(fit1, data = pbc)

works as advertised, but when I try to use 'terms', I don't get what I 
want:

> termplot(fit1, data = pbc, terms = 2)

presents me with a '?' (because in termplot, in the line 'cn <- parse(text 
= nmt',  nmt is NULL). So, I suppose that I am specifying 'terms' in a way 
that  termplot  doesn't like. How should it be done?

Thanks,

Göran   
-- 
 Göran Broström                      tel: +46 90 786 5223
 professor                           fax: +46 90 786 6614
 Department of Statistics            http://www.stat.umu.se/egna/gb/
 Umeå University
 SE-90187 Umeå, Sweden             e-mail: gb at stat.umu.se

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