Pew Research Center designed this study to assess the current state of online survey sampling methods – both probability-based and opt-in – and determine their accuracy on general population estimates ...

To select a sample with PROC SURVEYSELECT, you input a SAS data set that contains the sampling frame, or list of units from which the sample is to be selected. You also specify the selection method, ...

Until earlier this year, Professor Ryan was a member of the Methodology Advisory Committee for the Australian Bureau of Statistics. She receives funding from the Bill and Melinda Gates Foundation, the ...

Professor of Statistics at UNSW, President of the Statistical Society of Australia and a Deputy Director of the Australian Centre of Excellence in Mathematical and Statistical Frontiers, UNSW Sydney ...

In this thesis, seemingly unrelated time series equation models in state space form are developed to model time series observed with repeatedly conducted probability samples. The models account for ...

In this article, a new method for producing estimates from a multiple frame survey is presented. The discussion in this article is restricted to sample designs in which a stratified simple random ...