Survey mode effects linked to unit nonresponse and screening procedures were estimated in a study of self-reported tobacco, alcohol, and illicit drug use. Two samples of the same population were drawn ...

Two approaches to estimating a finite population mean from unequal probability samples are contrasted. In the prediction approach a model is specified for the population values and is used to predict ...

Volatile organic compounds (VOCs) are an important indoor air quality issue because they are associated with increased long-term health risks and people spend more than 90% of their time indoors. Past ...

The Department of Mathematics (www.math.ethz.ch) at ETH Zurich invites applications for the above-mentioned position. Successful candidates should demonstrate an outstanding research record and a ...