Displaying 20 results from an estimated 120 matches similar to: "Best fitted curve using AIC"
2010 Feb 22
1
Raster table: how separate lines with the same value (count > 1)
Dear all,
I intend to do some statistics with my raster table, like correlations or
regression analysis. For that, I need that each pixel be in one line, that
is, there is no count > 1. So, all columns should have the same number of
lines, when I compare (combine) rasters.
I'd like to know if there is a way to create lines and copy the values of
the lines, when count is > 1. So, even
2012 Oct 18
1
Mapping
I am a new user of R and am crunching through the system. I have reached an impasse with mapping; I want to make a bubble map and lay it over a grid that is composed of a standard x,y axis. Within this, are 16 (4x4) gridded blocks, numbered 1-16. And, within these individual hectares(1-16) it is further subdivided into individual x,y plots ( in accordance with the overall x,y axes). I have a
2006 Feb 07
2
getting strata/cluster level values with survey package?
First, I appoligise for the rooky question, but...
I'm trying to obtain standard errors, confidence intervals, etc. from a
sample design and have been trouble getting the results for anything other
than the basic total or mean for the overall survey from the survey
package.
For example, using the following dataset,
strata,cluster,vol
A,1,18.58556192
A,1,12.55175443
A,1,21.65882438
2018 Mar 04
2
Random effect in GAM (mgcv)
Dear R users,
I am using the *mgcv package* to model the ratio of hectares of damaged
culture by wild boar in french departments according to some
environmental covariates. I used a _Beta distribution_ for the response.
For each department, we estimated the damaged in 3 different culture
types (??Culture??). Our statistical individual are therefore the
department crossed by the culture
2018 Mar 04
0
Random effect in GAM (mgcv)
Statistics questions are largely off topic on this list, although they do
sometimes intersect R programming issues, which are on topic. However, I
believe a statistics list like stats.stackexchange.com might be more
suitable for your query.
Cheers,
Bert
Bert Gunter
"The trouble with having an open mind is that people keep coming along and
sticking things into it."
-- Opus (aka
2008 Jun 25
3
gap.boxplot error message?
Hello,
When I put in the following script line:
gap.boxplot(CLI3, CLI4, CLI5, CLI6, CLI7, gap=list(top=c(8000,280000), bottom=c(0,250)), range=50, outline=TRUE, par(ask=FALSE)
I get a '+' telling me I am missing something. I have tried adding ')', 'width=NULL', etc and then I get this error:
Error: unexpected symbol in:
"gap.boxplot(CLI3, CLI4, CLI5, CLI6, CLI7,
2011 Nov 29
1
Read TXT file with variable separation
Hi!
I have to import some TXT files into R, but the separation between the
columns are made with different blank spaces, but each file use the
same separation. Example:
31 104 5 0 11RUA SAO
SEBASTIAO 25
BAIRRO FILETO
01
2008 Jun 25
0
subscripted assignments errormessage in gap.boxpot
I am trying to create a boxplot that has a gap with different scales so that my boxes actually show (compare attachments). I have referred to the help pages for gap.boxplot, gap.plot, list with no luck so far. Here is my script and the resulting error message:
# Import *.csv files containing areas for each CLI class
cli3<-read.table("F:\\Megan\\cli3.csv", header=TRUE,
2007 Jan 23
3
Login and logout scripts
Is there a way to run a script on my samba PDC machine when a user logs in
and logs out?
Thanks in advance.
--
Air conditioners and Computers are the same - they both crash when you open
Windows.
2008 Jul 07
0
HAML and nestings
I have this partial:
1 - bairros = bairros_select
2 - selected_id ||= nil
3 - if bairros.any?
4 - cid = nil
5 = select_tag :imovel, :bairro_id do
6 - for b in bairros
7 - sel = b.id == selected_id ? {:selected => true} : {}
8 - if cid != b.cidade_id
9 %optgroup= b.cidade.cidade
10 - cid = b.cidade_id
11 %option{sel, :value =>
2007 Feb 05
1
RdbiPgSQL in R 2.4.1
Hi R-users
I recently downloaded RdbiPgSQL 1.8.0 and Rdbi 1.8.0 from Bioconductor to be
installed under R 2.4.1.
When requiring RdbiPgSQL an error message is showed as follows:
> require(RdbiPgSQL)
Loading required package: RdbiPgSQL
Error in library(package, lib.loc = lib.loc, character.only = TRUE, logical
= TRUE, :
‘RdbiPgSQL’ is not a valid package – installed <
2012 Feb 16
1
Repeated cross-validation for a lm object
Dear R users
I'd like to hear from someone if there is a function to do a repeated k-fold
cross-validation for a lm object and get the predicted values for every
observation. The situation is as follows:
I had a data set composed by 174 observations from which I sampled randomly
a subset composed by 150 observations. With the subset (n = 150) I fitted
the model: y = a + bx. The model
2003 Mar 22
0
VIAGEM DANÇANTE AO RIO DE JANEIRO
TURISMO & EVENTOS
Luiz Guilherme 3031-7374 e Marcio Sorriso 9887-9141 S?o Paulo -SP
Em abril, M?rcio Sorriso e Luiz Guilherme promover?o uma inesquec?vel
viagem ? cidade maravilhosa. Ser? mais uma oportunidade para voc?
divertir-se conhecer ou rever lugares maravilhosos, fazer novos amigos e ?
claro, dan?ar e dan?ar... Muito! Voc? n?o pode deixar de participar. Leia
a
2005 May 24
2
Basic matematical functions with NAs
Dear All,
I've tried to sum columns -- different species of flowers, fruits plus twigs -- with NAs to get litterfall/trap, and then after use litterfall to calculate production (litterfall (grams)/ hectare/ day. But R 'sees' litterfall/trap as a string.
My question: How to use basic mathematical functions to deal with NAs in data management.
Example (as you can note I have many
2013 Feb 14
2
3D-plots of 2D-grids
Hello everybody,
I have an Ascii-grid (100x100m) with population density over Switzerland
(local coordinations system, CH LV03). Now I would like to have a nice
graphic to present the data. I would like to make a plot that will show the
density as the z-variable and raise for example a stacking pillar showing
how high the density is in that hectare. I attached a map that's similar to
what I
2004 Jun 15
0
Keywords and Concepts - CTFS package
The package I am writing is for the Center for Tropical Forest Science, CTFS. This "center" is a collaboration of 15+ institutions world wide that are investigating properties of tropical forest dynamics, species diversity, species distributions. The investigation is composed of the same sampling design of the forest: a large 50 hectare plot (usually) in which every tree >= 10 mm in
2011 Dec 12
1
calculating logit parameters (odd ratio is exactly one or zero)
Dear statistician experts,
Sorry if this is a trivial question, or the old same question (i don't know
what is the efficient key word for this issue).
In order to understand the calculation of parameter of logistic regression,
I did an exercise through spreadsheet following the procedural example
from a literature, or the available spreadsheet (with calculation formula).
I ended up with
2003 Sep 19
0
Saludos desde Madrid
Hola amig@:
Me llamo Ver?nica. Te escribo desde Madrid, Espa?a y formo parte de un equipo del Movimiento Humanista.
Hoy son ya millones de personas las que experimentan c?mo la sociedad en que vivimos se deshumaniza d?a a d?a. El ser humano ha perdido todo valor, el mundo se mueve en torno al dinero y en base al ego?smo, mientras las personas van quedando cada vez m?s desamparadas. De este modo,
2000 Mar 08
0
Samba Problems !!!
Hello.
We have installed Samba 1.9.15p8 in Solaris 2.6 Server, we executed
testparm to "smb.conf" file, and it not generated any problem; from Unix
we list the Server's shared resources and we connect to shared resources
using smbclient '\\humanaprd\qlrg', but we have a problem, when we connect
from Win95, using net use f: \\humanaprd\qlrg, only it permit connect using
2002 Oct 20
3
OCX for playing ogg files in MS windows perform
Hi All,
I was wondering if anyone could point me to the right direction to get a OCX which can play the ogg file in MS windows perform?
Thanks all
Wai
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