aggr | R Documentation |
Compute aggregates of small area estimates and MSEs.
aggr(x, R)
x |
sae object. |
R |
aggregation matrix, M x r matrix where M is the number of areas and r the number of aggregate areas; default is aggregation over all areas. |
Object of class sae
with aggregated small area estimates and MSEs.
sae-class
d <- generateFakeData() # compute small area estimates sae <- fSAE(y0 ~ x + area2, data=d$sam, area="area", popdata=d$Xpop) # by default aggregate over all areas global <- aggr(sae) EST(global); RMSE(global) # aggregation to broad area # first build aggregation matrix M <- d$Xpop[, c("area22", "area23", "area24")] / d$Xpop[, "(Intercept)"] M <- cbind(1 - rowSums(M), M); colnames(M)[1] <- "area21" est.area2 <- aggr(sae, M) EST(est.area2); RMSE(est.area2) COV(est.area2) # covariance matrix
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