R-beta: spline problems(?)

Ross Ihaka (ihaka@stat.auckland.ac.nz)
Tue, 7 Apr 1998 16:43:48 +1200 (NZST)


Date: Tue, 7 Apr 1998 16:43:48 +1200 (NZST)
Message-Id: <199804070443.QAA12349@stat1.stat.auckland.ac.nz>
From: Ross Ihaka <ihaka@stat.auckland.ac.nz>
To: "A. Tsiolakidis" <tsioltas@cs.keele.ac.uk>
Subject: R-beta: spline problems(?)
In-Reply-To: <35298FC9.70AA@cs.keele.ac.uk>

A. Tsiolakidis writes:
 > Hi,
 > 
 > I am a total beginner with this whole thing so please have patience!
 > 
 > I am trying to run an S-plus program with a certain line:
 > 	spline(1:nrow(y), y[,1],n=100);
 > 
 > This crashes with:
 > 	Error: NAs in foreign function call (arg 8)

You have uncovered an error in the underlying spline code.
I think its related to the fact that you are fitting a curve
through points on a straight line.  I'll have a look.

Other cases look ok.

	Ross
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