Statistics of Birth-rate Problems

Problems of a Declining Hungarian Birth Rate: A Historical Perspective

In contrast to its immediate neighbors, for over a century Hungary has had a seriously declining birth rate. This paper aims to provide an overview of this anomaly through a historical perspective by considering the major findings of a series of demographic studies that identify the key factors behind falling levels of fertility. It does so by focusing on four major periods. The first period co...

Birth statistics of high birth weight infants (macrosomia) in Korea

PURPOSE The authors analyzed the trend from the birth-related statistics of high birth weight infants (HBWIs) over 50 years in Korea from 1960 to 2010. METHODS We used 2 data sources, namely, the hospital units (1960's to 1990's) and Statistics Korea (1993 to 2010). The analyses include the incidence of HBWIs, birth weight distribution, sex ratio, and the relationship of HBWI to maternal age....

Current Problems of Mathematical Statistics *

Inverse Problems as Statistics

What mathematicians, scientists, engineers, and statisticians mean by \inverse problem" di ers. For a statistician, an inverse problem is an inference or estimation problem. The data are nite in number and contain errors, as they do in classical estimation or inference problems, and the unknown typically is in nite-dimensional, as it is in nonparametric regression. The additional complication i...

Inverse Problems in Statistics