Nothing
bootstrap_lm_cov_latent <- function(X1,X2,param="multilogit",Psi,Be,Ga,B=100,fort=TRUE){
mPsi = 0
mBe = 0
m2Psi = 0
m2Be = 0
if(param=="multilogit"){
mGa = 0
m2Ga = 0
}else if(param=="difflogit"){
mGa = vector("list",2)
m2Ga = vector("list",2)
mGa[[1]] = matrix(0,dim(Ga[[1]]))
mGa[[2]] = matrix(0,dim(Ga[[2]]))
m2Ga[[1]] = matrix(0,dim(Ga[[1]]))
m2Ga[[2]] = matrix(0,dim(Ga[[2]]))
}
dPsi = dim(Psi)
if(length(dPsi)==1) k = 1
else k = dPsi[2]
for (b in 1:B) {
cat("boostrap sample n. ",b,"\n")
out = draw_lm_cov_latent(X1,X2,param,Psi,Be,Ga,fort=fort)
Yb = out$Y
out = est_lm_cov_latent(Yb,X1,X2,param=param,k=k,fort=fort)
mPsi = mPsi + out$Psi/B
mBe = mBe + out$Be/B
if(param=="multilogit"){
mGa = mGa + out$Ga/B
m2Ga = m2Ga + out$Ga^2/B
}else if(param=="difflogit"){
mGa[[1]] = mGa[[1]]+out$Ga[[1]]/B
mGa[[2]] = mGa[[2]]+out$Ga[[2]]/B
m2Ga[[1]] = m2Ga[[1]] + out$Ga[[1]]^2/B
m2Ga[[2]] = m2Ga[[2]] + out$Ga[[2]]^2/B
}
m2Psi = m2Psi + out$Psi^2/B
m2Be = m2Be + out$Be^2/B
}
sePsi = sqrt(m2Psi - mPsi^2)
seBe = sqrt(m2Be - mBe^2)
if(param=="multilogit"){
seGa = sqrt(m2Ga - mGa^2)
}else if(param=="difflogit"){
seGa = vector("list",2)
seGa[[1]] = sqrt(m2Ga[[1]] - mGa[[1]]^2)
seGa[[2]] = sqrt(m2Ga[[2]] - mGa[[2]]^2)
}
out = list(mPsi = mPsi, mBe = mBe, mGa = mGa, sePsi = sePsi,
seBe = seBe, seGa = seGa)
}
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