The first step in conducting a regression-based study is to specify a model. In real applications, this is usually the most challenging step - deciding which variables “belong” in the model and which ...

Linear regression models the relationship between a dependent and independent variable(s). A linear regression essentially estimates a line of best fit among all variables in the model. Regression ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Many of Pew Research Center’s survey analyses show relationships between two ...

This is a preview. Log in through your library . Abstract Determining ages of neonatal black bear (Ursus americanus) cubs is complicated by difficulty in obtaining accurate birth dates while ...

This study addresses the issue of self-selection bias in the analysis of economic consequences of mandatory accounting changes. Self-selection bias arises from the use of truncated, nonrandom samples ...

A simple regression model based on the pretreatment estimated glomerular filtration rate (eGFR) reliably predicted the ...

The estimates for the House of Representatives come from a model, not just from a survey result. The difference between the two is that while a survey attempts to measure the whole of something by ...