# NOT RUN {
# Evaluate the 2nd derivative of a rho function tuned for 85% efficiency
rhoprime2(u=1.1, family='bisquare', cc=bisquare(.85))
# Evaluate the 2nd derivative of a rho function tuned for 50% breakdown
rhoprime2(u=1.1, family='opt', cc=lmrobdet.control(bb=.5, family='opt')$tuning.chi)
# }
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