Hello, nobs is missing in your example.
Assuming that envelope is the function in package base boot, I cannot reproduce the error.
set.seed(2021) nc <- 10000 nobs <- 100 M1 <- matrix(evd::rfrechet(nc*nobs),nrow=nobs,ncol=nc) M <- t(apply(M1,2,sort)) E <- boot::envelope(mat=M) #compute 95% confidance bands str(E) #List of 7 # $ point : num [1:2, 1:100] 0.302 0.12 0.341 0.167 0.373 ... # $ overall: num [1:2, 1:100] 0.3698 0.0832 0.4163 0.1287 0.4499 ... # $ k.pt : num [1:2] 250 9751 # $ err.pt : num [1:2] 0.05 0.562 # $ k.ov : num [1:2] 11 9990 # $ err.ov : num [1:2] 0.0022 0.0496 # $ err.nom: num [1:2] 0.05 0.05 Hope this helps, Rui Barradas Às 08:53 de 07/08/21, SITI AISYAH ZAKARIA escreveu:
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 95% confidance bands *Error in envelope.matrix(mat = M) : rvals must be supplied* My problem is after I run my coding in line 4 the error is highlighted red is come out. I don't know how to solve it. Please help me. Thank you
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