From bbolker at gmail.com  Tue Jul 31 15:49:56 2012
From: bbolker at gmail.com (Ben Bolker)
Date: Tue, 31 Jul 2012 09:49:56 -0400
Subject: [Rd] Numerics behind splineDesign
In-Reply-To: <CACk-te3ERmEVe2f2YqU8t5iFSVj0E9a4RGDTudDvGiAUyUQUtg@mail.gmail.com>
References: <CAPJVwB=ppJ=SOs9k0p5ZHqGdnk8L1MZMBUbCSQ6oH5Zd5Pwpig@mail.gmail.com>
	<loom.20120731T152127-870@post.gmane.org>
	<CACk-te3ERmEVe2f2YqU8t5iFSVj0E9a4RGDTudDvGiAUyUQUtg@mail.gmail.com>
Message-ID: <5017E284.903@gmail.com>

  ... I took the original poster's word for it that there were no
citations in the help files (sorry, that got snipped from my reply
because Gmane was complaining ... " I notice that the help pages for
these functions don't seem to have any citations.") Now that I took
30 seconds to go back and look for myself, there *is* a citation --
exactly the same one I gave ...

On 12-07-31 09:46 AM, Bert Gunter wrote:
> Well, I would first check the references given in the Help file!.
> That's what they're for, no?  Hastie's book is likely to more complete
> on the algebra, I think.
> 
> You might also be interested in the relevant chapters of Friedman,
> Hastie, et. al "The Elements of Statistical Learning Theory," which
> might be a gentler exposition of the math.
> 
> Of course, the code (or a suitable exposition of it, which may not
> exist) is the ultimate reference.
> 
> -- Bert
> 
> On Tue, Jul 31, 2012 at 6:25 AM, Ben Bolker <bbolker at gmail.com> wrote:
>> Nathaniel Smith <njs <at> pobox.com> writes:
>>
>>> I find myself needing to be able to reproduce the spline bases that R
>>> computes when using ns() and bs() -- but without using R. Before I go
>>> diving headfirst into the C code in
>>> ./src/library/splines/src/splines.c, are there any simpler references
>>> anyone might recommend?
>>
>>  [snip]
>>
>>   Some of this stuff *might* be in the "White Book" (Statistical
>> Models in S, ed Chambers & Hastie (esp. chapter 7?)
>>
>>   Ben Bolker
>>
>> ______________________________________________
>> R-devel at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-devel
> 
> 
>



[Rd] Numerics behind splineDesign
Ben Bolker