The SURVEYMEANS and SURVEYREG procedures perform statistical analysis for survey data. These analytical procedures take into account the design used to select the sample. The sample design can be a ...

This post will show how to estimate and interpret linear regression models with survey data using R. We’ll use data taken from a Pew Research Center ... By using the regression function `svyglm()` in ...

Aims This study aimed to evaluate a new chart designed to improve the collection of visual acuity data in population-based surveys. The Reduced logMAR E chart (RLME) employs three letters per line ...

The principle goal is to develop robust methods that address the problem of reverse engineering data in charts in scientific documents to enable access to the underlying quantitative information not ...

It also explores the changing composition of voters overall and the partisan coalitions. For this analysis, we used annual totals of data from Pew Research Center telephone surveys (1994-2018) and ...