Heteroscedasticity: as symptom of omitted variable bias - part 2

This video details how heteroscedasticity can be symptomatic of omitted variable bias. Check out ben-lambert.co... for course materials, and information regarding updates on each of the courses. Quite excitingly (for me at least), I am about to publish a whole series of new videos on Bayesian statistics on youtube. See here for information: ben-lambert.co... Accompanying this series, there will be a book: www.amazon.co....

[@aram1rasul751]

H Sir, can tell me , if we only have X and Y points how to draw a curve in stead of a line? I mean the curve fluctuate to some extend instead of straight line? I look forward to hearing from you. Aram

[@robbiekatz7232]

Hi Ben, a great video as always. I have a quick question though - when you augment the model by adding the variable "school size" wouldn't the regression "line" actually be a plane in a three dimensional space? You have, however, graphically represented it as a nonlinear curve. Can you please clarify. Thanks in advance!

[@박수민-r4x5q]

Hey! He mentioned that he have drawn it in 2-dimensional curve just to make it easy to understand, since 3-dimensions are hard to draw!

[@lastua8562]

we never really draw 3-d. If we want to observe the covariance btw y and different x, we plot one plot for each.