Delshad Shaker Ismael Botani

3 Questions 10 Answers 0 Followers

Questions related from Delshad Shaker Ismael Botani

Non-significant model and very low R2 in Multivariate Linear Regression Analysis, whtat shold I do?

Hi everyone, I am doing a Multivariate Linear Regression Analysis in Psychometric research with a dependent variable that is calculated by averaging 12 Likert items (10 point-scale from 1 to 10...

22 March 2021 2,167 4 View

Is there any stationary tests for dynamic time series models (ARIMAX) and how we can take differences for both variables y and x?

1. Is there any tests for knowing the stationarity of a dynamic model (ARIMAX)? 2. In ARIMA models, we take first or second differnces to make the series stationary. But in ARIMAX, how we can take...

16 November 2018 3,189 3 View

In order to estimate the parameters of regression line (Bo, B1) for example, do we minimize sum square of residuals or sum square of errors and why?

sum of e2 or sum of u2. I mean e for sample and u for population.

27 November 2015 7,920 11 View