We propose a fast data-driven procedure for decomposing seasonal time series using the Berlin Method, the software used by the German Federal Statistical Office in this context. Formula of the asymptotic optimal bandwidth h_A is obtained. Meth- ods for estimating the unknowns in h_A are...

Many countries measure the heights and weights of children in primary and secondary school. Individual children are usually monitored at school against growth charts, with appropriate referrals. Schoolchild data aggregated to the community, state or nation, and validated against population...