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## File Name: dyjt_scaled.R
## File Version: 0.513
dyjt_scaled <- function( x, location=0, shape=1, lambda=1, df=Inf, log=FALSE,
probit=FALSE )
{
#*** recode lambda
eps <- 1E-4
for ( lambda0 in c(0,2) ){
lambda <- yj_adjust_lambda( lambda=lambda, lambda0=lambda0, eps=eps )
}
#* Yeo-Johnson transformation
res <- mdmb_rcpp_yj_trafo_derivative( y=x, lambda=lambda, probit=probit )
xt <- res$yt
yt <- res$dyt
if ( df==Inf ){
dy <- mdmb_dnorm(x=xt, mu=location, sigma=shape, log=log)
} else {
dy <- dt_scaled( x=xt, location=location, shape=shape, df=df, log=log)
}
#--------- adjustment for derivative of Yeo-Johnson transformation
# y <- x
# yt <- mdmb_rcpp_yj_trafo_adjustment_derivative(y=y, lambda=lambda)
#---- multiplicative adjustment
dy <- dyjt_scaled_log_multiplication( dy=dy, yt=yt, use_log=log,
check_zero=TRUE)
return(dy)
}
# zz0 <- Sys.time(); for (bb in 1:B){ ;
# yt <- mdmb_rcpp_yj_trafo_adjustment_derivative(y=y, lambda=lambda)
# }; cat("\n* trafo2 ") ; zz1 <- Sys.time(); print(zz1-zz0) ; zz0 <- zz1
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