The function as.copuladata coerces an object (data.frame,
matrix, list) to a copuladata object.
as.copuladata(data)
data(daxreturns)
data <- as.matrix(daxreturns)
class(as.copuladata(data))
#> [1] "copuladata" "data.frame"
data <- as.data.frame(daxreturns)
class(as.copuladata(data))
#> [1] "copuladata" "data.frame"
data <- as.list(daxreturns)
names(data) <- names(daxreturns)
class(as.copuladata(data))
#> [1] "copuladata" "data.frame"