Statistics review 7: Correlation and regression

Statistics from the inside. 7. Regression and correlation.

Semiparametric regression during 2003-2007.

Semiparametric regression is a fusion between parametric regression and nonparametric regression that integrates low-rank penalized splines, mixed model and hierarchical Bayesian methodology - thus allowing more streamlined handling of longitudinal and spatial correlation. We review progress in the field over the five-year period between 2003 and 2007. We find semiparametric regression to be a ...

Modeling the effect of Perceived Value on Loyalty and Purchase Behavior of Spectators; Case Study: Tractorsazi Tabriz Spectators

The aim of this study was to determine the effect of perceived value on loyalty and purchase behavior of Spectators. This study was a correlation research and in from field study. The study population consists of all spectators Tractor Club. Data was collected by 3 questionnaires. This questionnaires consist perceived value(sweeny,2008), loyalty(Mahoony,2000) and purchase behavior(2008) that af...

A Systematic Review of Statistical Methods Used to Test for Reliability of Medical Instruments Measuring Continuous Variables

  Objective(s): Reliability measures precision or the extent to which test results can be replicated. This is the first ever systematic review to identify statistical methods used to measure reliability of equipment measuring continuous variables. This studyalso aims to highlight the inappropriate statistical method used in the reliability analysis and its implication in the medical practice.  ...

Spatial Varying Coefficient Regression Model For Relative Risk Factors of Esophageal Cancer Patients

In conventional methods for spatial survival data modeling, it is often assumed that the coefficients of explanatory variables in different regions have a constant effect on survival time. Usually, the spatial correlation of data through a random effect is also included in the model. But in many practical issues, the factors affecting survival time do not have the same effects in different regi...