Useful tips for everyday
What do you put if the y-intercept is 0? If a line has no y-intercept, that means it never intersects the y-axis, so it must…
Can I use AUC as loss function? For binary classification, Receiver Operating Characteristic (ROC) curve incorporates different evaluation metrics. The Area Under ROC Curve (AUC)…
How important is statistical significance? Statistical significance is important because it gives you confidence that the changes you make to your website or app actually…
What is MAE in forecasting? Mean absolute error (MAE) The MAE measures the average magnitude of the errors in a set of forecasts, without considering…
How is weight calculated meta analysis? Weighted Mean Effect Size The most basic “meta analysis” is to find the average ES of the studies representing…
How do you calculate weighted standard deviation in Excel? The following step-by-step example shows how to calculate a weighted standard deviation in Excel. Step 1:…
How many groups can you have in a chi-square test? So, a 2 X 2 (“two-by-two”) chi-square is used when there are two levels of…
Does scaling Change p-value? 1 Answer. tldr; The p-values characterising the statistical significance of parameters in a linear model may change following scaling (standardising) variables.…
What is nested experimental design? A class of experimental design in which every level of a given factor appears with only a single level of…
What is an estimator of a parameter? An estimator is an assignment of a number (the estimate of the parameter) to each possible random sample…