Nothing
widals.snow <-
function(j, rm.ndx, Z, Hs, Ht, Hst.ls, locs, lags, b.lag, cv=0, geodesic=FALSE, wrap.around=NULL, GP.mx, stnd.d=FALSE, ltco=-16) {
tau <- nrow(Z)
n <- ncol(Z)
k <- length(lags)
rho <- GP.mx[ j, 1 ]
reg <- GP.mx[ j, 2 ]
alpha <- GP.mx[ j, 3 ]
beta <- GP.mx[ j, 4 ]
flatten <- GP.mx[ j, 5 ]
locs.3D <- cbind( locs, rep(0, n) )
locs.long.3D <- cbind( rep(locs[ ,1], k), rep(locs[ ,2], k) , beta*rep( lags, each=n ) )
z.lags.vec <- rep( lags, each=n )
#Z.obsAtLags <- als.prepare(NULL, Z, lags, Z.na=NULL, tt.rng=1:nrow(Z))$X.sub #### tt.rng not used
use.Hst.ls <- !is.null(Hst.ls)
if( cv <= 0 ) {
Y.als <- H.als.b(Z=Z, Hs=Hs, Ht=Ht, Hst.ls=Hst.ls, rho=rho, reg=reg, b.lag=b.lag, Hs0=NULL, Ht0=NULL, Hst0.ls=NULL)$Z.hat
## assign( "Y.als", Y.als, pos=.GlobalEnv )
Y.als <<- Y.als
#yalsp <- als.prepare(NULL, Y.als, lags, Z.na=NULL, tt.rng=1:nrow(Y.als)) #### tt.rng not used
#rm( Y.als )
Z.delta <- Z - Y.als
Z.delta <- Z.clean.up( Z.delta )
#rm(Z.obsAtLags)
#Y0.als <- yalsp$Y.sub
#rm(yalsp)
if( cv == -1 ) { ##################### zero only self ref sites at lag 0
self.refs <- (which( lags == 0 ) - 1)*n
}
if( cv == -2 ) { ##################### zero all self ref sites across all lags
self.refs <- I(0:(k-1)) * n
}
Z.adj <- crispify( locs1=locs.3D, locs2=locs.long.3D, Z.delta=Z.delta, z.lags.vec=z.lags.vec, geodesic=geodesic,
alpha=alpha, flatten=flatten, self.refs=self.refs, lags=lags, stnd.d=stnd.d, log10cutoff=ltco )
## mean func pred + ( obs @ lags - mean func pred @ lags ) %*% Weights
#Y.idw <- Y0.als + Z.adj
Z.wid <- Y.als + Z.adj
}
if( cv == 1 | cv == 2 ) { #### cv=1 drops only site at lag 0, cv=2 drops site for all time lags #### only uses cv = 2
Z.wid <- matrix(NA, tau, n )
loc.0 <- which( lags == 0 )
for( kk in 1:length(rm.ndx) ) {
ii <- rm.ndx[[kk]]
if( cv == 1 ) { drop.ndx <- (loc.0-1)*n + ii } else { drop.ndx <- ( rep( 1:k, each=length(ii) ) - 1 )*n + ii }
if( use.Hst.ls ) {
red.Hst.ls <- list()
for(i in 1:tau) {
red.Hst.ls[[i]] <- Hst.ls[[i]][ -ii, , drop=FALSE]
}
} else {
red.Hst.ls <- NULL
}
Y.als <- H.als.b(Z=Z[ , -ii, drop=FALSE], Hs=Hs[ -ii, , drop=FALSE], Ht=Ht, Hst.ls=red.Hst.ls,
rho=rho, reg=reg, b.lag=b.lag, Hs0=Hs, Ht0=Ht, Hst0.ls=Hst.ls)$Z0.hat
#yalsp <- als.prepare(NULL, Y.als, lags, is.na(Y.als), tt.rng=1:nrow(Y.als)) #### tt.rng not used
# rm(Y.als)
Z.delta.drop <- Z[ , -ii, drop=FALSE] - Y.als[ , -ii, drop=FALSE]
Z.delta.drop <- Z.clean.up( Z.delta.drop )
z.lags.vec.drop <- z.lags.vec[ -drop.ndx ]
#Y0.als <- yalsp$Y.sub[ , ii]
# rm(yalsp)
Z.adj <- crispify( locs1=locs.3D[ ii, , drop=FALSE ], locs2=locs.long.3D[ -drop.ndx , , drop=FALSE ],
Z.delta=Z.delta.drop, z.lags.vec=z.lags.vec.drop, geodesic=geodesic,
alpha=alpha, flatten=flatten, self.refs=c(-1), lags=lags, stnd.d=stnd.d, log10cutoff=ltco )
Z.wid[ , ii] <- Y.als[ , ii ] + Z.adj
}
}
return(Z.wid)
}
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