Useful tips for everyday
How to analyze data from multiple data sets? There are two relationships between the three views, as you can see in Figure F. To see…
How to calculate the confidence band of a regression line? The confidence band about the regression line is then obtained as Y ^ ± t…
What is inverse propensity weighting? Inverse propensity weighting (IPW) means that we include a sample weight in our regression model. The sample weight is defined…
When to use lognormal distribution? Use the lognormal distribution if the logarithm of the random variable is normally distributed. Use when random variables are greater…
When is a binary classification problem highly imbalanced? This article assumes that the readers have some knowledge about binary classification problems. Consider a binary classification…
How to control for variables in a regression model? A more common approach is to include the variables you want to control for in a…
How do you establish a measurement invariance? Measurement invariance is tested by evaluating how well the specified model (e.g., the model set up by the…
Is geometric mean same as standard deviation? In probability theory and statistics, the geometric standard deviation (GSD) describes how spread out are a set of…
What does a significant difference in ANOVA mean? If any group differs significantly from the overall group mean, then the ANOVA will report a statistically…
How do you analyze a Granger causality test? The basic steps for running the test are: State the null hypothesis and alternate hypothesis. For example,…