Useful tips for everyday
What is the geometric distribution for first success? The geometric distribution gives the probability that the first occurrence of success requires k independent trials, each…
How do you know if probability is geometric? Geometric: has a fixed number of successes (ONE…the FIRST) and counts the number of trials needed to…
How do you measure variability in data? Measures of Variability: Variance Find the mean of the data set. Subtract the mean from each value in…
How is MCMC used in Bayesian inference problem? MCMC can be used in Bayesian inference in order to generate, directly from the “not normalised part”…
How do you find the characteristic function of Cauchy distribution? to obtain the characteristic function of the above Cauchy distribution φ(t) = eL|t|. 6.1. 3…
What is data inspiration? Data-driven, data-informed, and data-inspired describe how data should be used. data-inspired means trendspotting. This takes a few different data sources to…
What is true value in confidence interval? Strictly speaking a 95% confidence interval means that if we were to take 100 different samples and compute…
What is an example of a mathematical model? Example: An ice cream company keeps track of how many ice creams get sold on different days.…
Can you use t-test without normal distribution? For a t-test to be valid on a sample of smaller size, the population distribution would have to…
Can we trust the bootstrap in high dimensions the case of linear models? We consider the performance of the bootstrap in high-dimensions for the setting…