Useful tips for everyday
How can I test the performance of a clustering algorithm? There are majorly two types of measures to assess the clustering performance. (i) Extrinsic Measures…
What is trace of hat matrix? The full matrix is the hat matrix for OLS in the augmented data representation for ridge, so its trace…
How is naive Bayes algorithm used for classification? What is Naive Bayes algorithm? It is a classification technique based on Bayes’ Theorem with an assumption…
What is ANOVA () in R? ANOVA also known as Analysis of variance is used to investigate relations between categorical variable and continuous variable in…
How do I make SVM more accurate? 8 Methods to Boost the Accuracy of a Model Add more data. Having more data is always a…
Why is a paired t-test appropriate? A paired t-test is used when we are interested in the difference between two variables for the same subject.…
What is the difference between covariance and correlation? Covariance and correlation are two mathematical concepts which are commonly used in statistics. When comparing data samples…
What makes an implication true? An implication is the compound statement of the form “if p, then q.” It is denoted p⇒q, which is read…
How is log likelihood function defined? The log-likelihood function is typically used to derive the maximum likelihood estimator of the parameter . The estimator is…
How do you write a proposed statistical analysis? Step 1: Write your hypotheses and plan your research design. Step 2: Collect data from a sample.…