# Research Methodology

11,397 total views, 60 views today

11,397 total views, 60 views today Previous Question Next Question Why Matrix is Used? Addition of N Matrices Why Matrix is Used: We study matrices because all real data comes in the form of a matrix. […]

19,068 total views, 64 views today

19,068 total views, 64 views today Previous Question Next Question Why Matrix is Used? Addition of N Matrices Why Matrix is Used: We study matrices because all real data comes in the form of a matrix. […]

19,385 total views, 58 views today

19,385 total views, 58 views today Previous QuestionNext Question Calculating Covariance and Properties of Covariance Matrix. Covariance […]

3,699 total views, 6 views today

3,699 total views, 6 views today Covariance MatrixComing Soon Calculating Matrix’ mean, variance and standard deviation M= The first column is , the second is and the third one is and the matrix m is a 3×3 square matrix. ==5.6667 ==3.3333 ==6.3333 Variance= Variance= Variance= N=3 because the number of rows is 3 in the matrix M. N is always equal to the number of rows of […]

3,022 total views, 4 views today

3,022 total views, 4 views today What is the difference between ANOVA and Multiple Regression? ANOVA and Multiple Regression can both do the same type of analysis and they are a part of a larger technique called general linear model. Multiple regression is handier. ANOVA (Analysis Of Variance) is only used with categorical independent variables and you […]

722 total views, no views today

722 total views, no views today why log returns/why do we calculate natural log returns Log Returns follow the normal distribution. (in large sample)No autocorrelation but in prices, you can detect it.Log returns are time-additive means if you have monthly data and you add the returns of; say, three months consequently it will be the quarterly […]