, things went awry.
(Please see http://tinyurl.com/38ej2t ) There are three curves, seemingly
the fitted curve and the curves for plus and minus two standard errors. The
shapes seem okay, but there are large errors in the y values.
Question: Have I overfitted the data?
Feedback?
Tom
Thomas L
I am having difficulty writing the code for the following operation:
I have a numeric vector pred_out of length 156. (N = 156). Under Windows XP,
I need to write it to the disk in text format. Perhaps some kind soul would
provide the code fragment. The file name is sheet_vec.txt. Please see [1]
Question: Suppose I have an arbitrary object. Is there a function which will
accept the object as an argument and sort of give the format of the object,
how it is put together, etc.? The analysis would include the attributes and
the names of the attributes. Also, things like whether or not the
From: Thomas Jones
I have several user-defined functions. As is standard practice, I am
defining a logical vector named idebug in order to control debugging
printouts. For example, if idebug [1] has the value TRUE, such-and-such
debugging printouts are enabled. After the function works, some
of as
an upside down tree. I want to be able to communicate from any node to any
other node.
Your advice?
Tom
Thomas L. Jones, PhD, Computer Science
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I have a numeric vector of lenth 1. I am trying to use it inside
a function just by giving its name, rather than specifying it as
an argument to the function. I am aware that there is an attach
function which you need to call. The attach function will accept a
list. However, I don't seem to be
correct? If not, how does one build it correctly?
Question 3: How do you tell it NOT to mask the variable i by .GlobalEnv,
whatever that is?
Your advice?
Tom Jones
Thomas L. Jones, PhD, Computer Science
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Subject: Creating a barplot--advice needed
Advice needed: I am preparing a computer program to do a barchart. Advice
needed: Should I learn the lattice package, or try to? As a
non-statistician, much of the terminology is unfamiliar to me. grouping
variable, object of class trellis,
The goal is to smooth a scatterplot using the LOESS locally weighted
regression program and a gam. There are 156 points. Thus x can have the
value 1, or 2, etc., up to a maximum of x = 156. The y values are random,
with a Poisson distribution, or the next thing to it.
After reading in the
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