View source: R/mr_fun_general.R
rho.tukey | R Documentation |
Tukey's beweight loss function and its derivatives
rho.tukey(r, k = 4.685, deriv = 0)
r |
Function value |
k |
Tuning parameter, default value is 4.685 |
deriv |
The derivative function to calculate. 0 is the Tukey's loss function, 1 is for the first derivative and 2 for the second derivative function |
The value of the corresponding function at r
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