Grazie mille, So grateful for your kindness in answering questions.
Regards. On Thu, Aug 17, 2017 at 8:50 PM, Germano Rossi <germano.ro...@gmail.com> wrote: > Sorry, I never use pam. In the help, you can see that pam require a > dataframe OR a dissimilarity matrix. If diss=FALSE then "euclidean" was > use.So, I interpret that a matrix of dissimilarity is generated > automatically. > > Problems may be in your data. Indeed > > pam(ruspini, 4)$diss > > write a dissimilaty matrix > > while > pam(MYdata,10)$diss > > wite NULL > > > 2017-08-17 16:03 GMT+02:00 Sema Atasever <s.atase...@gmail.com>: > >> Dear Germano, >> >> Thank you for your fast reply, >> >> In the above code, *MYData *is the actual data set. >> >> Do not we need to convert *MYData to *the dissimilarity matrix using >> *pam(as.dist(**MYData**), k = 10, diss = TRUE*)* code line?* >> >> *Regards.* >> >> On Thu, Aug 17, 2017 at 2:58 PM, Germano Rossi <germano.ro...@gmail.com> >> wrote: >> >>> try this >>> >>> MYdata <- read.csv2("data.txt",dec='.') >>> library(cluster) >>> cluster.pam = pam(MYdata,10) >>> table(cluster.pam$clustering) >>> filenameclu = paste("clusters", ".txt") >>> write.table(cluster.pam$clustering, file=filenameclu,sep=",") >>> >>> >>> 2017-08-17 10:28 GMT+02:00 Sema Atasever <s.atase...@gmail.com>: >>> >>>> Dear Authorized Sir / Madam, >>>> >>>> I have a data set in which each row indicates an amino asid and each >>>> column corresponds >>>> to a feature (in total 539 features). >>>> I want to use PAM Clustering usign this data set. >>>> >>>> >>>> *when i ran R script i am getting this error:* >>>> *Error in pam(d, 10) : x is not a numeric dataframe or matrix.* >>>> *Execution halted* >>>> >>>> How can i fix this error? Is there a problem with my dataset? >>>> >>>> Thanks in advance. >>>> >>>> >>>> *PAM clustering codes:* >>>> >>>> MYdata <- read.csv2("data.txt", dec = ".") >>>> attach(MYdata) >>>> d=as.matrix(MYdata) >>>> library(cluster) >>>> cluster.pam = pam(d,10) >>>> table(cluster.pam$clustering) >>>> >>>> filenameclu = paste("clusters", ".txt") >>>> write.table(cluster.pam$clustering, file=filenameclu,sep=",") >>>> >>>> ______________________________________________ >>>> 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/posti >>>> ng-guide.html >>>> and provide commented, minimal, self-contained, reproducible code. >>>> >>> >>> >>> >>> -- >>> ================== >>> Germano Rossi, Dipartimento di Psicologia, Universita' degli Studi di >>> Milano Bicocca >>> Piazza dell'Ateneo Nuovo, 1- 20126 Milano - Italy >>> >> >> > > > -- > ================== > Germano Rossi, Dipartimento di Psicologia, Universita' degli Studi di > Milano Bicocca > Piazza dell'Ateneo Nuovo, 1- 20126 Milano - Italy > [[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.