What is Multicollinearity? Extensive video + simulation!

See all my videos at http://www.zstatistics.com/videos/ 0:00 Introduction 2:16 Intuition 4:13 How does it affect our regression output? 6:55 Detection method I: Correlations 8:37 Detection method II: Variance Inflation Factors (VIFs) 11:50 Remedies 15:13 Justin's Simulation (COOL!) 22:17 Perfect multicollinearity For my simulation spreadsheet, you can downloaded from my website: http://www.zstatistics.com/videos/#/regression/ (scroll to the multicollinearity video) Video on Principal Components Analysis: https://www.youtube.com/watch?v=FgakZw6K1QQ