Useful tips for everyday
What does it mean to have a large effect size? An effect size is a measure of how important a difference is: large effect sizes…
Can regression Overfit? In regression analysis, overfitting can produce misleading R-squared values, regression coefficients, and p-values. Overfit regression models have too many terms for the…
What are the ways to measure forecasting accuracy? 5 methods for measuring sales forecast accuracy Exceptions Analysis. Before we get to exceptions analysis, let’s remember…
Is Kolmogorov-Smirnov test a statistical test? In statistics, the Kolmogorov–Smirnov test (K–S test or KS test) is a nonparametric test of the equality of continuous…
What is information theory approach? Information theory is the scientific study of the quantification, storage, and communication of digital information. A key measure in information…
When to use T interval for mean response? In this section, we are concerned with the confidence interval, called a ” t-interval ,” for the…
Can ordinal variables be treated as continuous? An often posed question by applied researchers is about the most favorable approach for factor analysis in the…
What is the purpose of decomposition of time series? Time series decomposition involves thinking of a series as a combination of level, trend, seasonality, and…
When to use SVM classifier in support vector machine? From then, Svm classifier treated as one of the dominant classification algorithms. In further sections of…
How do you check for Homoscedasticity in R? One informal way of detecting heteroskedasticity is by creating a residual plot where you plot the least…