the objective of this study was to investigate the relationship among body weight and fat-tail measurements with fat-tail weight by using multiple regression and principal component analysis. the eleven characters includes, body weight, fat-tail length, fat-tail circumference, width and diameters in 3 position of upper, middle and lower before the slaughter, and also fat-tail weight after the s...

Abstract In many fields of applications, linear regression is the most widely used statistical method to analyze effect a set explanatory variables on response variable interest. Classical least squares focuses conditional mean response, while quantile extends view quantiles. Quantile very convenient, whereas classical parametric assumptions do not hold and/or when relevant information lies in ...