Nothing
predict.lmeWinsor <- function(object, newdata, level=Q, asList=FALSE,
na.action=na.fail, ...){
##
## 0. Set up
##
if(any(grep('lme4', search())>0))
stop("predict.lmeWinsor requires nlme, which can NOT be used",
" with lme4 in the search path.")
requireNamespace('nlme')
#
cl <- match.call()
# default 'level'
Q <- object$dims$Q
##
## 1. Identify inputs and outputs
##
mdly <- mdlx <- formula(object)
mdly[[3]] <- NULL
mdlx[[2]] <- NULL
#
random <- eval(object$call$random)
xFixed <- all.vars(mdlx)
# xNames <- unique(c(all.vars(mdlx), all.vars(random)))
# xNames <- unique(xFixed, all.vars(random)))
yName <- all.vars(mdly)
if(length(yName) != 1)
stop("'fixed' must include a single column of 'data'")
if(as.character(mdly[[2]]) != yName)
stop("lmWinsor can not accept a fixed with a transformed 'y';",
" left hand side = ", mdly[[2]], "; y = ", yName)
##
## 2. Check limits
##
Lower <- object$lower
got.yL <- (yName %in% names(Lower))
if(!got.yL)
stop("No lower limit for ", yName)
#
Upper <- object$upper
got.yU <- (yName %in% names(Upper))
if(!got.yU)
stop("No upper limit for ", yName)
##
## 3. Clip newdata[, xFixed] and predict
##
{
if(missing(newdata))
pred <- fitted(object, level, asList)
else{
newDat <- newdata
#
xNum <- sapply(newDat[xFixed], is.numeric)
xNms <- xFixed[xNum]
got.xL <- (xNms %in% names(Lower))
if(any(!got.xL))
stop("No lower limit for ",
paste(names(got.xL[!got.xL]), collapse=", "))
got.xU <- (xNms %in% names(Upper))
if(any(!got.xU))
stop("No upper limit for ",
paste(names(got.xU[!got.xU]), collapse=", "))
#
for(x. in xNms){
xl <- pmax(newdata[[x.]], Lower[x.])
newDat[[x.]] <- pmin(xl, Upper[x.])
}
cl0 <- as.list(cl)
# remove reference to 'predict.lmeWinsor'
cl0[[1]] <- NULL
# Prepare to call predict.lme
obj <- eval(cl0$object)
class(obj) <- 'lme'
cl0$object <- obj
#
cl0$newdata <- as.name('newDat')
pred <- do.call('predict', cl0)
}
}
##
## 4. Clip pred
##
yl <- pmax(pred, Lower[yName])
y. <- pmin(yl, Upper[yName])
##
## 5. done
##
y.
}
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