Useful tips for everyday
How do you find the weighted mean of two samples? To find the weighted mean: Multiply the numbers in your data set by the weights.…
How to translate LM ( ) to an equation? If what you want is to predict scores using your resulting regression equation, you can construct…
Is AI worth learning in 2021? Artificial Intelligence is among the most popular and trending technologies in the world. According to Glassdoor, AI professionals earn…
What is the difference between the cost function and the loss function for Logistic Regression? The terms cost and loss functions almost refer to the…
What is the difference between classification and clustering? As you have read the articles about classification and clustering, here is the difference between them. Both…
How the Eigenfaces are used in human face detection? An eigenface (/ˈaɪɡənˌfeɪs/) is the name given to a set of eigenvectors when used in the…
Why should the residuals be normally distributed? In order to make valid inferences from your regression, the residuals of the regression should follow a normal…
What should a linear regression include? When building a linear or logistic regression model, you should consider including: Variables that are already proven in the…
Is positive or negative skew? Positive Skewness means when the tail on the right side of the distribution is longer or fatter. The mean and…
When should you use the Wilcoxon Rank Sum Test? The Wilcoxon rank-sum test is commonly used for the comparison of two groups of nonparametric (interval…