[Rd] loess() crashes R on my system

From: Dennis Murphy <djmuser_at_gmail.com>
Date: Fri, 01 Jan 2010 06:47:18 -0800

Greetings and happy new year!

I am in the process of converting some of the old S-PLUS scripts from Visualizing Data (Cleveland, 1993)
into lattice. In fact, I did most of it several years ago, and at the time, all of the scripts that contained
loess() worked fine. Tonight, I ran most of the scripts again, but every one that I tried with a
loess() call crashed R. I tried it in two sessions, one with an existing .Rdata and in another

directory without one. The call below, isolated from its script, is one of the culprits:

with(ethanol, loess(NOx ~ C * E, span = 1/3, degree = 2,

        parametric = "C", drop.square = "C", family="s"))

In response to the Posting Guide, when I say 'crash' I mean that the system abnormally terminated
R when this line or any other one that invokes loess() is run. I'm running the binary version of 2.10.1
on a Dell Studio 15 with Windows 7 Home Premium.

This is the first time I've ever experienced something like this in the decade that I've used R. What's
more surprising is that it occurred with such a common function. Since I haven't seen any postings
of this type, it's probably something on my end, but I don't know what. Since it shut down the
program, I felt compelled to report it.

I am subscribed to r-help but not r-devel, so please cc any response to me. Thanks in advance for
any assistance.

Dennis Murphy

> sessionInfo()
R version 2.10.1 (2009-12-14)

[1] LC_COLLATE=English_United States.1252
[2] LC_CTYPE=English_United States.1252
[3] LC_MONETARY=English_United States.1252
[5] LC_TIME=English_United States.1252

attached base packages:
[1] stats graphics grDevices utils datasets methods base

loaded via a namespace (and not attached):
[1] tools_2.10.1

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