
I am using the package hdrcde to get the highest density region. I have the data from an unknown distribution. And I used the subroutine hdr from the package to get the highest density region. But I always got a error message. I do not know why. Who can help?Thanks!

The codes look like this:

j is the data set,

> hdr(j)
Error in bw.SJ(x) : no solution in the specified range of bandwidths



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