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canthrow
2016 Jun 28
2
termplot intervals - SE or CI?
...rt. 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?
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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2018 Jan 10
1
termplot intervals - SE or CI?
...n, it seems that either termplot() is not plotting standard errors, or predict() is not returning standard errors in se.fit.
Cheers,
Eric
-----Original Message-----
From: Duncan Murdoch [mailto:murdoch.duncan at gmail.com]
Sent: Wednesday, 29 June 2016 12:02
To: Eric Goodwin <Eric.Goodwin at cawthron.org.nz>; r-help at R-project.org
Subject: Re: [R] termplot intervals - SE or CI?
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...
2018 Jan 11
0
termplot intervals - SE or CI?
...ot:
col.se, lty.se, lwd.se: color, line type and line width for the
?twice-standard-error curve? when ?se = TRUE?.
...which is findable, but might usefully also be made explicit in the definition of the se= argument.
-pd
> On 10 Jan 2018, at 23:27 , Eric Goodwin <Eric.Goodwin at cawthron.org.nz> wrote:
>
> Thanks for your prompt reply Duncan.
>
> I had indeed assumed they were what the help file says until observation raised doubts, which is why I queried it.
>
> From reading the code for termplot(), it seems that either the predict() function doesn't...