Useful tips for everyday
What happens when you remove outliers from a data set? By removing outliers, you’ve explicitly decided that those values should not affect the results, which…
What type of distance is not used in K-means clustering? 6 Answers. K-Means procedure – which is a vector quantization method often used as a…
Does simple random sampling include replacement? This process of randomly selecting units with replacement after each stage is repeated n times. Thus, a sampling unit…
What is r squared in logistic regression? R-squared is a goodness-of-fit measure for linear regression models. This statistic indicates the percentage of the variance in…
How do you select threshold with ROC curve? 6 Answers Adjust some threshold value that control the number of examples labelled true or false. Generate…
When should I worry about collinearity? Multicollinearity is a common problem when estimating linear or generalized linear models, including logistic regression and Cox regression. It…
What are the topics are available in combinatorics? Multi-disciplinary fields that include combinatorics Coding theory. Combinatorial optimization. Combinatorics and dynamical systems. Combinatorics and physics. Discrete…
Does hierarchical clustering work with categorical data? 1 Answer. Yes of course, categorical data are frequently a subject of cluster analysis, especially hierarchical. What is…
What is the relationship between entropy and cross entropy? Cross Entropy is the expected entropy under the true distribution P when you use a coding…
What is the power of normal distribution? The power-normal distribution is defined as follows: The random variable X is said to have a power-normal distribution,…