Université de Neuchâtel

New methods to handle nonresponse in surveys

Hasler, Caren ; Tillé, Yves (Dir.)

Thèse de doctorat : Université de Neuchâtel, 2015.

This document focuses on nonresponse in sample surveys. Mainly, methods to handle nonresponse in complex surveys are proposed. The first chapter of this document introduces concepts and notation of survey sampling and nonresponse. The second chapter proposes an algorithm for stratified balanced sampling for populations with large numbers of strata. The third chapter of this document presents a...

Université de Neuchâtel

Imputation of income variables in a survey context and estimation of variance for indicators of poverty and social exclusion

Graf, Eric ; Tillé, Yves (Dir.)

Thèse de doctorat : Université de Neuchâtel, 2014 ; 2440.

This Phd thesis proposes to develop a method of imputation for income variables allowing direct analysis of the distribution of such data, particularly the estimation of complex statistics such as indicators for poverty and social exclusion as well as the estimation of their precision. In an introduction chapter we present the Swiss Survey on Income and Living Conditions (SILC) which we...