Useful tips for everyday
Does omitted variable bias cause endogeneity? All endogeneity sources—omitted variables, simultaneity, and measurement error—will bias the coefficient on the affected RHS variable, and potentially any…
How do you find the independence of a random variable? You can tell if two random variables are independent by looking at their individual probabilities.…
Where is skewness used in real life? Skewness can be used to obtain approximate probabilities and quantiles of distributions (such as value at risk in…
When to use one way analysis of covariance? A one-way analysis of covariance (ANCOVA) evaluates whether population means on the dependent variable are the same…
How is weighted average calculated? To find a weighted average, multiply each number by its weight, then add the results. If the weights don’t add…
How do you find the significant difference? Subtract the group two mean from the group one mean. Divide each variance by the number of observations…
What does p-value of 2.2e 16 mean? < 2.2e-16 as the p value would indicate a significant result, meaning that the actual p value is…
Can you use Likert scale in linear regression? All Answers (41) I think you can use Likert scale data in multiple regression analysis.. Dear Gobinda:…
When to use the McNemar test in R? McNemar’s Test is used to determine if there is a statistically significant difference in proportions between paired…
How do you calculate standard error of HAC? The HAC standard errors are equal to the square roots of the items on the diagonal of…