Displaying 3 results from an estimated 3 matches for "tresco".
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tesco
2008 Sep 02
1
Non-constant variance and non-Gaussian errors with gnls
I have been using the nls function to fit some simple non-linear
regression models for properties of graphite bricks to historical
datasets. I have then been using these fits to obtain mean predictions
for the properties of the bricks a short time into the future. I have
also been calculating approximate prediction intervals.
The information I have suggests that the assumption of a normal
2009 Mar 13
6
R multiline expression grief
Dear all.
After much grief I have finally found the source of some weird
discrepancies in results generated using R. It turns out that this is
due to the way R handles multi-line expressions. Here is an example
with R version 2.8.1:
----------------------------------------------------
# R-script...
r_parse_error <- function ()
{
a <- 1;
b <- 1;
c <- 1;
d <- a + b + c;
e
2009 Mar 14
1
multiple hypothesis testing
...f an
> > expression are potentially being ignored, perhaps by turning on a
> > strict mode which requires the semi-colons?
> >
> > Thank you,
> >
> > Paul
> >
>
>
>
> --
> Nashi Power.
> http://nashi.podzone.org/
> Registered address: 7 Trescoe Gardens, Harrow, Middx., U.K.
>
>
>
> ------------------------------
>
> Message: 24
> Date: Fri, 13 Mar 2009 06:26:38 -0700 (PDT)
> From: Ross Culloch <ross.culloch@dur.ac.uk>
> Subject: Re: [R] Selecting / creating unique colours for behavioural /
> tra...