Yes, I tried as per your suggestion, but not getting any results. I think, there is some dimension mismatch in the data matrix and result matrix.
I have to compute the particular model yearly for each series. Please help. Thanks in advance. On Sat, Oct 6, 2018 at 4:58 PM Rui Barradas <ruipbarra...@sapo.pt> wrote: > Hello, > > I suggested NROW (all uppercase) because it works even if its argument, > in your case ts, has only one dimension, nrow needs 2-dim objects. > > I have now noticed that you are indexing ts as if it has two dimensions, > and that r is created with function matrix() but then you index it with > just one dimension. > > > r[i] <- approx_entropy(ts[i,], edim = 2, r = 0.2*sd(ts[i,]), elag = 1) > > > Shouldn't it be ts[i] or r[i, ] ? > > Hope this helps, > > Rui Barradas > > Às 10:34 de 06/10/2018, Subhamitra Patra escreveu: > > I am extremely sorry to say that both the suggestions did not work. > > > > I did not understand the suggestion of Prof. Lemon. So, Sir, Can you > > please clarify me your suggestion? > > > > > > I tried the suggestion of Ruipbarradas. It does not work. > > > > > > Please help me out for which I shall be always grateful to you. > > > > Thanks in advance. > > > > On Sat, Oct 6, 2018 at 2:48 PM ruipbarradas <ruipbarra...@sapo.pt > > <mailto:ruipbarra...@sapo.pt>> wrote: > > > > Hello, > > > > Instead of nrow try all uppercase: > > > > N <- NROW (ts) > > > > > > Hope this helps, > > > > Rui Barradas > > > > > > > > > > Enviado a partir do meu smartphone Samsung Galaxy. > > -------- Mensagem original -------- > > De: Subhamitra Patra <subhamitra.pa...@gmail.com > > <mailto:subhamitra.pa...@gmail.com>> > > Data: 06/10/2018 10:14 (GMT+00:00) > > Para: drjimle...@gmail.com <mailto:drjimle...@gmail.com> > > Cc: r-help@r-project.org <mailto:r-help@r-project.org> > > Assunto: Re: [R] Requesting for help on the problem of "subscript > > out of bounds" > > > > Hello Sir, > > > > I tried by defining mat, but still facing the same problem. > > > > Hence, mat represents the time series. This time, I defined it as ts > and > > tried, but still having the same problem. > > > > In particular, the problem is coming in the following line > > *for (i in 1:N){* > > *+ r[i]<-approx_entropy(ts[i,], edim = 2, r = 0.2*sd(ts[i,]), > elag = > > 1) * > > > > where i is unable to synchronize with the no. of rows i.e. rows and > > thus I > > am getting the error of > > > > *Error in `[<-`(`*tmp*`, i, , value = ts[i:(N - m + i)]) : > > subscript out > > of bounds* > > > > For your reference, I am providing my full code with an explanation > as > > follows. > > > > The function > > > > approx_entropy(ts, edim = 2, r = 0.2*sd(ts), elag = 1) > > > > from the package,pracma I am calculating the approximate entropy of > time > > series.ts > > > > I have a matrix of time series (one series per row i.e. 51 rows and 1 > > column) and I would estimate the approximate entropy for each of > > the rows, > > storing the results in a vector. So, I have written a code > > > > library(pracma) > > > > N<-nrow(ts) > > r<-matrix(0, nrow = N, ncol = 1)for (i in 1:N){ > > r[i]<-approx_entropy(ts[i,], edim = 2, r = 0.2*sd(ts[i,]), > > elag = 1)} > > > > * After calculating for 1 series, I need to calculate the same > > things for > > the multiple series by changing the dimension of the ncol.* > > > > Please help me in this regard. > > > > Thanks in advance. > > > > On Sat, Oct 6, 2018 at 2:22 PM Jim Lemon <drjimle...@gmail.com > > <mailto:drjimle...@gmail.com>> wrote: > > > > > Hi Subhamitra, > > > Where I think the error arises is in the line: > > > > > > N<-nrow(mat) > > > > > > Since we don't know what "mat" is, we don't know what nrow(mat) > will > > > return. If "mat" is not a matrix or data frame, it is likely to be > > > NULL. Try this: > > > > > > print(N) > > > > > > after defining it and see what it is. > > > > > > Jim > > > > > > On Sat, Oct 6, 2018 at 5:51 PM Subhamitra Patra > > > <subhamitra.pa...@gmail.com <mailto:subhamitra.pa...@gmail.com>> > > wrote: > > > > > > > > Hello friends, > > > > > > > > I am very new in this R world. But, still doing some > programming by > > > > learning. While running one code, I found the problem of > > "subscript out > > > of > > > > bounds". Please suggest me how to overcome this problem? For > your > > > > reference, I am uploading my code here. > > > > > > > > The function > > > > > > > > approx_entropy(ts, edim =2, r = 0.2*sd(ts), elag = 1) > > > > > > > > library(pracma) > > > > > > > > N<-nrow(mat) > > > > r<-matrix(0, nrow = N, ncol = 1)for (i in 1:N){ > > > > r[i]<-approx_entropy(mat[i,], edim = 2, r = > > 0.2*sd(mat[i,]), elag = > > > 1)} > > > > > > > > After running this code, I am getting the error of > > > > > > > > *"subscript out of bounds"* > > > > > > > > Please help me for which I shall be always grateful to you. > > > > > > > > Thanks in advance. > > > > > > > > > > > > > > > > -- > > > > *Best Regards,* > > > > *Subhamitra Patra* > > > > *Phd. Research Scholar* > > > > *Department of Humanities and Social Sciences* > > > > *Indian Institute of Technology, Kharagpur* > > > > *INDIA* > > > > > > > > [[alternative HTML version deleted]] > > > > > > > > ______________________________________________ > > > > R-help@r-project.org <mailto:R-help@r-project.org> mailing list > > -- To UNSUBSCRIBE and more, see > > > > https://stat.ethz.ch/mailman/listinfo/r-help > > > > PLEASE do read the posting guide > > > http://www.R-project.org/posting-guide.html > > > > and provide commented, minimal, self-contained, reproducible > code. > > > > > > > > > -- > > *Best Regards,* > > *Subhamitra Patra* > > *Phd. Research Scholar* > > *Department of Humanities and Social Sciences* > > *Indian Institute of Technology, Kharagpur* > > *INDIA* > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-help@r-project.org <mailto:R-help@r-project.org> mailing list -- > > To UNSUBSCRIBE and more, see > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide > > http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. > > > > > > > > -- > > *Best Regards,* > > *Subhamitra Patra* > > *Phd. Research Scholar* > > *Department of Humanities and Social Sciences* > > *Indian Institute of Technology, Kharagpur* > > *INDIA* > -- *Best Regards,* *Subhamitra Patra* *Phd. Research Scholar* *Department of Humanities and Social Sciences* *Indian Institute of Technology, Kharagpur* *INDIA* [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
