Useful tips for everyday
How do you interpret Kendall tau results? Kendall’s Tau – Interpretation τb = -1 indicates a perfect negative monotonous relation among 2 variables: a lower…
What is group-based trajectory analysis? Group-based trajectory models are a specialized application of finite mixture models. While the conceptual aim of the analysis is to…
Which is better undersampling or oversampling for data? While different techniques have been proposed in the past, typically using more advanced methods (e.g. undersampling specific…
What is root mean square error in machine learning? RMSE is calculated as the square root of the mean of the squared differences between actual…
What is a disadvantage of using a non-parametric test? The disadvantages of the non-parametric test are: Less efficient as compared to parametric test. The results…
How do you read a partial dependence plot? A partial dependence (PD) plot depicts the functional relationship between a small number of input variables and…
How many parameters are in convolutional neural network? In a CNN, each layer has two kinds of parameters : weights and biases. The total number…
How does a box plot show normal distribution? The box plot shape will show if a statistical data set is normally distributed or skewed. When…
How to choose the best ARMA model for a time series? If we take the likelihood function for a statistical model, which has k parameters,…
What test do you use to compare two proportions? two proportion z-test A two proportion z-test allows you to compare two proportions to see if…