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Hi everyone, Can some one help me? If my coding come out the error like this "Error in optim(start, nhl, ..., method = method) : non-finite value supplied by optim". What it means? How can I solve this? Thank you. -- "..Millions...

Hi Im currently trying to plot my NMDS data together with fitted variables (envfit funct) on an ordination plot. The plot function shows two displays="sites" and "sp". I was wondering how to plot it so that the sites come...

Hi, Can anyone help me how to solve this problem? #calculation of confidence intervals 1. > nc <- 10000 2. > M1 <- matrix(rfrechet(nc*nobs),nrow=nobs,ncol=nc) 3. > M <- t(apply(M1,2,sort)) 4. > E <- envelope(mat=M) #compute...

Hi Im currently trying to use the metaMDS function on MASS and keep getting this message. Im new at this and need some help. >stream.mds<-metaMDS(stream) Using step-across dissimilarities: Too long or NA distances: 65 out of...

Dear all, Can I ask something about programming in marginal distribution for spatial extreme? I really stuck on my coding to obtain the parameter estimation for univariate or marginal distribution for new model in spatial extreme. I want to run...

Dear Rui and Jim, Thank you very much for your feedback. Yes, now I get the output. And after this I will use this output as the marginal distribution to continue the analysis on spatial extremes. Thanks again. See you...

Dear Rui ang Jim, Thank you very much. Thank you Rui Barradas, I already tried using your coding and I'm grateful I got the answer. ok now, I have some condition on the location parameter which is cyclic condition...

Dear all, Can anyone help me? I'm using this coding to get the spatial gev model and plotting the quantile plot to justify the model is fit but the plot look like not fit.. How can I solve this...

Hi, I'm Aisyah..I have a problem to run my R coding. I want to select maximum value according to week. here is my data Date O3_Conc 20000101 0.033 20000102 0.023 20000103 0.025 20000104 0...

Dear all, Thank you very much for the feedback. Sorry for the lack of information about this problem. Here, I explain again. I use this package to run my coding. library(ismev) library(mgcv) library(nlme) The purpose of this...

Dear All, Thank you very much for helping me.. i will try my best by using all suggestion.. thank you again.. hopefully is work. ----- Original Message ----- From: "Eric Berger" <ericjberger at gmail.com> To: "Marc Schwartz" <marc_schwartz at me...