similar to: Confidence intervals in Ripley's K function - a little challenge...

Dear All, I have a collections of spatial data. I have to analyze pairs of these point patterns to test their spatial interaction. I was moving towards the cross K Ripley's function. The problem, however, are the following: 1) What is the best way to get a single real value that represents the interaction "power"? 2) How to obtain a value that even allows me to rank the pairwise

Hi--I'm trying to run a Ripley's K analysis on a point pattern within a window of 1 square km. The maximum distance I want to use is the diagonal of the window, around 1400m, run in 50m increments. The function defaults to a 250m maximum--I thought this was simply the way I had plotted it, but when I exported the data there was nothing over 250m. I've looked into seq and ginterval,

I normally use the following code to create a figure displaying the mark correlation function for the point pattern process "A": M<-markcorr(A) plot(M) I have now started to use the following code to perform 1000 Monte Carlo simulations of Complete Spatial Randomness (CSR). It is a Monte Carlo test based on envelopes of the Mark correlation function obtained from simulated point

Dear friends, I am studying the spatial distribution of trees in a tropical swamp forest in Brazil, and the spatial association between the trees and other forest and non forest elements. These are point pattern analysis of mapped data, preferentially done with the L function of Ripley. I have recently discovererd the R-project and would like to know whether it is possible to do these

Hi I want to install eda library. Where can I download it? I use R version 2.1.0 on Linux. Thanks. Stephen. ----- Original Message ----- From: Luis Ridao Cruz <Luisr at frs.fo> Date: Tuesday, September 13, 2005 1:32 pm Subject: Re: [R] How to erase objects > ?rm > > > >>> <v.schlecht at arcor.de> 13/09/2005 12:08:55 >>> > > Hi, I admit that

Hello, I am trying to conduct a bi-variate ripley's k using the k12hat function in the splancs package (found here http://rss.acs.unt.edu/Rdoc/library/splancs/html/k12hat.html). Although, I receive an error when getting to the bboxx part of the code: poly <- list(x=c(fire4$X, nar4$X), y=c(fire4$Y, nar4$Y)) plot(seq(5,80,5), sqrt(k12hat(fire4), as.points(nar4),

Hello, I have used the univariate Ripley K function in R, but does anyone know if there is a bivariate function built in? I have two species that I am dealing with. Also, how might I add error bars into the graphs (univariate and/or bivariate)? Thank you, Karin Leiderman k_leiderman at hotmail.com Graduate Student/Research Assistant Department of Mathematics Univesity of New Mexico

Hello, What are the minimum number of points in a point pattern before a clustering analysis using a Ripley K function loses any meaning? I haven't been able to find much comment in the literature about this --- instead case examples typically use 100-200 points as a minimum. Regards, Sebastian Pucilowski

I'm trying to resolve a small problem that has arisen from introducing a NAMESPACE for the package SparseM. Prior to the namespace I had a class "matrix.diag.csr" that consisted of diagonal sparse matrices. It was defined to have the same attributes as the matrix.csr class and setAs was used to define how to coerce integers and vectors into this form:

I would like to add a class to the SparseM package. I have a class "matrix.csr" that describes a matrix in compressed sparse row format, now I would like a class matrix.diag.csr that describes such objects when they happen to be diagonal. The idea is that matrix.diag.csr objects should behave (later in life) exactly like matrix.csr objects, the distinction is only needed in order to

Eric Christopher wrote: > On Wed, Jul 9, 2014 at 11:39 AM, Jonathan Roelofs > <jonathan at codesourcery.com> wrote: >> >> On 7/9/14, 12:33 PM, Eric Christopher wrote: >>> Any reason why you deleted code that isn't related? >>> >>> -eric >>> >>>> - enum SubArchType { >>>> - NoSubArch, >>>> -

Hi, I am new to R. I don't have strong background of statistics. I am a student of Geotechnical Engineering. I tried to run a nonlinear regression for a three-variable function, that is N = f(CSR, ev) # N is a function of CSR and ev, and N = CSR/(A +B*CSR), wherer (A,B) are function of ev. N, CSR and ev are observed in the experiments. Following is my R script. rm(list=ls())

In the last few days I've received couple of messages pointing out that our SparseM package fails to install on the patched version of 1.7.0. Laurent Gaultier kindly suggested that replacing: setGeneric("as.matrix.csr") by setGeneric("as.matrix.csr", function(x, nrow, ncol, eps) standardGeneric("as.matrix.csr")) was sufficient to fix the problem.

Hello, I would like to read and write sparse matrices using the functions write.matrix.csr() and read.matrix.csr() of the package e1071. Writing is OK but reading back the matrix fails: x <- rnorm(100) m <- matrix(x, 10) m[m < 0.5] <- 0 m.csr <- as.matrix.csr(m) write.matrix.csr(m, "sparse.dat") read.matrix("sparse.dat") Error in initialize(value, ...)

Hi Fred, Thanks. How did you get to " The build log show this error: /Users/buildslave/as-bldslv9/lld-x86_64-darwin13/llvm.src/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp:92:11: error: enumeration values 'KalimbaSubArch_v3', 'KalimbaSubArch_v4', and 'KalimbaSubArch_v5' not handled in switch [-Werror,-Wswitch] switch (triple.getSubArch()) { " from here

Dear all, I'm training an SVM with default settings on a matrix csr (SparseM package). I realized that if I train the SVM with the (hopefully) equivalent matrix (Matrix package) representation, the returned models and predictions sometimes differ. I expected both representations of the same data to lead to the same results though. It could be that it is a scaling problem, because unscaled

Hi I cannot get account locking out to work. -bash-3.00# pdbedit -P "bad lockout attempt" smbldap_search_domain_info: Searching for:[(&(objectClass=sambaDomain)(sambaDomainName=CSR))] smbldap_open_connection: connection opened smbldap_search_domain_info: Searching for:[(&(objectClass=sambaDomain)(sambaDomainName=CSR))] smbldap_open_connection: connection opened account policy

On 2017-11-17 13:10, Quentin Colombet wrote: >> On Nov 16, 2017, at 2:31 PM, junbuml at codeaurora.org wrote: >> On 2017-11-14 17:22, Quentin Colombet wrote: >> >>> Hi, >>> I think it is kind of artificial to tie the CSRCost with the >>> presence >>> of calls. >>> I think I’ve already mentioned it in one of the review, but I

On 2017-11-14 17:22, Quentin Colombet wrote: > Hi, > > I think it is kind of artificial to tie the CSRCost with the presence > of calls. > I think I’ve already mentioned it in one of the review, but I > believe it would be better to differentiate when we want to use a CSR > to avoid spilling or to avoid splitting. CSR instead of spilling is > good, CSR instead of

On Mar 1, 2009, at 2:57 PM, John Mosby wrote: > First, thanks very much for your comments! > > On Sat, Feb 28, 2009 at 8:05 PM, Evan Cheng <evan.cheng at apple.com> > wrote: > > On Feb 26, 2009, at 2:02 PM, John Mosby wrote: > > It is limited to X86 presently since that is the only target I have > > access to at the moment. > > What part of this is