Bivariate statistical measures regression and correlation

Bivariate statistical measures regression and correlation

1. Analyzes the relationship of two or more continuous variables. When analyzing the two variables, it is known as Bivariate Variable Correlation.

   • Bivariate statistical measures
     • coefficient of determination R2
     • Simple linear correlation.
     • positive correlation and negative correlation
     • scatter plots
     • Regression
     • simple regression
   • Regression analysis
     • study the relationship between two quantitative variables
     • statistical technique used to derive an equation that relates a variable criterion with one or more prediction variables
     • studies the strength of the association through a measure of association named correlation coefficient regression problems
   • regression problems
     • Non-homogeneous variance.
     • Relación no lineal
     • correlated errors
   • Linear regression
     • Linear correlation coefficient of Pearson.
       • If the points have a tendency to line up