[R] termplot intervals - SE or CI?

Duncan Murdoch
Wed, 29 Jun 2016 00:02:29 -0000

On 28/06/2016 4:53 PM, Eric Goodwin wrote:
> Hello,
>
> A reviewer queried what the intervals were on the termplot I provided in a
report.  The help file for termplot() suggests they're standard errors
(se=T), but in the code the se.fit values from predict() are multiplied by 2,
suggesting it's a rough 95% confidence interval, is that right?

I would assume they are what the help file says, but if I wasn't sure,
I'd work them out for a simple case from first principles, and compare
to what the code gives.

Duncan Murdoch


> Many thanks,
>
> Eric Goodwin
> Scientific data analyst | Coastal and Freshwater Group
> Cawthron Institute
> Phone +64 (0)3 548 2319 | Mobile 027 439 1141
> eric.goodwin at cawthron.org.nz<mailto:eric.goodwin at
cawthron.org.nz> | www.cawthron.org.nz<http://www.cawthron.org.nz/>
>
>
>
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