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rdi
2008 Mar 25
1
bandwidth estimation using bw.SJ
Hello All,
When I use bw.SJ (based on Sheather & Jones, 1991) in R to estimate
the bandwidth for a highly skewed data, I get the following message:
"sample is too sparse to find TD". I played around with the parameters
such as no. of bins (nb), lower, upper (range over which to minimize) to
no avail. My sample size is 50,000.
Can anyone tell me what this means and of some