## This is the serial version of npudensml_npRmpi.R for comparison
## purposes (bandwidth ought to be identical, timing may
## differ). Study the differences between this file and its MPI
## counterpart for insight about your own problems.

library(np)
options(np.messages=FALSE)

## Generate some data

set.seed(42)

n <- as.integer(Sys.getenv("NP_DEMO_N", "10000"))
mydat <- data.frame(x=rnorm(n))

## A simple example with likelihood cross-validation

t <- system.time(bw <- npudensbw(~x,
                                 bwmethod="cv.ml",
                                 data=mydat))

summary(bw)

cat("Elapsed time =", t[3], "\n")
