search for: plackettcop

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2013 Jun 20
0
how to run copula-based quantile regression
...ile<-file.path("Q:/dailyvstoxx.xls") dailyvstoxx<-readWorksheetFromFile(excel.file, sheet=1) Then, I've loaded "copBasic"package. According to the example 'qua.regressCOP' in the documentation "copBasic": theta <- 10 R <- qua.regressCOP(cop=PLACKETTcop, para=c(theta)) I have two questions: 1) how to solve out the 'theta' of my data 2)I want to use normal copula, so I try: R<- qua.regressCOP(cop=NORMALcop, para=c(theta)) However, I get: Error in derCOP(cop = cop, u = u, v = x, delu = delu, para = para, ...) : object 'NORMA...