Useful tips for everyday
Is low variance good in machine learning? The goal of any supervised machine learning algorithm is to achieve low bias and low variance. In turn…
Is multimodal and bimodal the same? A unimodal distribution only has one peak in the distribution, a bimodal distribution has two peaks, and a multimodal…
How do you find the combined mean and standard deviation? The combined standard deviation Sc can be calculated by taking the square root of Sc2.…
What is a model covariate? Covariates are usually used in ANOVA and DOE. In these models, a covariate is any continuous variable, which is usually…
What is a pooled data set? What is data pooling? Data pooling is a process where data sets coming from different sources are combined. First,…
What correlation is used for ordinal data? ORDINAL-ORDINAL If both variables are ordinal, then an appropriate measure of association is Kendall’s τb . If both…
What is the probability of consecutive days? 2. They can reach on consecutive days in following 8 ways: (tuesday-wednesday), (wednesday- tuesday), (wednesday-thursday), (thursday- wednesday), (thursday-…
How do I start learning mathematical modeling? What you will learn To follow the process of the mathematical modeling cycle. Formulate and specify a real-life…
Can discrete data be skewed? With discrete data, the entire distribution can either be developed from scratch or the data can be fitted to a…
Is the Dirichlet-multinomial distribution a multivariate distribution? It also approximates the multinomial distribution arbitrarily well for large α. The Dirichlet-multinomial is a multivariate extension of…