Measurement error in a single regressor

For the setting of multiple regression with measurement error in a single regressor, we present some very simple formulas to assess the result that one may expect when correcting for measurement error. It is shown where the corrected estimated regression coefficients and the error variance may lie, and how the t-value behaves.

Consistent sets of estimates for regressions with correlated or uncorrelated measurement errors in arbitrary subsets of all variables

Statistical Methods

Direct mail selection by joint modeling of the probability and quantity of response

Operations such as integration or modularization of databases can be considered as operations on database universes. This paper describes some operations on database universes. Formally, a database universe is a special kind of table. It turns out that various operations on tables constitute interesting operations on database universes as well.