Useful tips for everyday
How to find variance on excel from frequency? Example 1: Calculate the mean and variance of the sample data from the frequency table in Figure…
How do I get to Newey-West in eviews? To use the Newey-West HAC method, select the Options tab and select HAC (Newey-West) in the Coefficient…
What are some of the problems that arise with the precision, recall measures? Other problems with Precision and Recall: Obviously records can exist which are…
What is the activation in back propagation network? Activation Function is what happens in the Neurons, each Neuron has an activation function that works when…
How do you find the mean of a one sample t test? Note that t is calculated by dividing the mean difference (E) by the…
Why are post hoc analysis bad? Post hoc power analysis identifies population-level parameters with sample-specific statistics and makes no conceptual sense. Analytically, such analysis can…
What is multiple R in regression output? Multiple R. This is the correlation coefficient. It tells you how strong the linear relationship is. For example,…
Why we use importance sampling? The idea behind importance sampling is that certain values of the input random variables in a simulation have more impact…
How do you know whether to use a paired t-test or a two-sample t test? Two-sample t-test is used when the data of two samples…
Which is the most significant statistic in ANOVA? There are 4 statistical tests in the ANOVA table above. The first test is an overall test…