Useful tips for everyday
What is variance in binomial distribution? Binomial Distribution A binomial random variable is the number of successes x in n repeated trials of a binomial…
What is a rank order scale question? Rank order scale is defined as a survey question type, that allows respondents to rearrange and rank multiple-choice…
What does external validation of a Cox model mean? Unlike for logistic regression models, external validation of Cox models is sparsely treated in the literature.…
What is chi-square test for feature selection? A chi-square test is used in statistics to test the independence of two events. Given the data of…
Is Ornstein-Uhlenbeck a Gaussian process? (3.11) (3.12) The Ornstein–Uhlenbeck process is stationary, Gaussian, and Markovian. Is Ornstein-Uhlenbeck process a Brownian motion? The Ornstein-Uhlenbeck process is…
How does machine learning deal with multicollinearity? How to Deal with Multicollinearity Remove some of the highly correlated independent variables. Linearly combine the independent variables,…
How do you calculate standard error of sensitivity? For our example, we have 0.0475/30 = 0.001583. Take the square root of the result above. In…
What is the correct model to use for a binomial 0 1 dependent variable? In a Binomial Regression model, the dependent variable y is a…
How can clinical trials avoid bias? Tips to avoid different types of bias during a trial. validated methods. Standardize and blind data collection. selection bias…
What is joint probability formula? The joint probability for events A and B is calculated as the probability of event A given event B multiplied…