Disadvantages of Linear Regression 1. Main focus of univariate regression is analyse the relationship between a dependent variable and one independent variable and formulates the linear relation equation between dependent and independent variable. { PDF directions corresponding to video var new_url = wpvl_paramReplace('width', link, width); Linear Regression is prone to over-fitting but it can be easily avoided using some dimensionality reduction techniques, regularization (L1 and L2) techniques and cross-validation. \$(function(){ var height = 480; A check of the assumptions using the residual plot did not indicate any problems with the data. var width = \$(window).innerWidth(); The population of values for the outcome areÂ normally distributed for each value of the predictor (assessed by confirming the. //console.log("device width "+width+", set width "+640+", ratio "+0.75+", new height "+ height); var link = 'https://www.youtube.com/watch?v=VT2yDF0nUSw&rel=0&width=640&height=480'; Take figure 1 as an example. //console.log(new_url); First, it can be used to identify the strength of the effect that an independent variable has on the dependent variable. Correlation: var new_url = wpvl_paramReplace('width', link, width); var new_url = wpvl_paramReplace('height', new_url, height); \$(function(){ Linear regression quantifies the relationship between one or more predictor variable(s) and one outcome variable.Linear regression is commonly used for predictive analysis and modeling. If there would have been only 1 feature, then this equation would have had resulted in a straight line. We calculated the equation for the line of best fit as Armspan=-1.27+1.01(Height). /*