Useful tips for everyday
What are the conditions for a binomial random variable? For a variable to be a binomial random variable, ALL of the following conditions must be…
What does linearly separable data mean? A dataset is said to be linearly separable if it is possible to draw a line that can separate…
What are the algorithms used for association rule mining? Algorithms. Many algorithms for generating association rules have been proposed. Some well-known algorithms are Apriori, Eclat…
How do you define a small sample size? For small populations (under 100 persons), the sample size is approximately equal to the population. For average…
What are the panel data models? Panel data models provide information on individual behavior, both across individuals and over time. Examples include estimating the effect…
How to test whether a distribution follows a power law? KS statistic tells you how well power law distribution fits your data, but it doesn’t…
What is the probability that a student failed the exam? The overall probability of a student failing an exam is 40%. How many students passed…
Is standard deviation a function of the mean? Standard deviation is a number used to tell how measurements for a group are spread out from…
How do you find the frequency of a categorical data? We first calculate the relative frequency for each category, and then we convert each relative…
Are sensitivity and specificity measures of accuracy? Actually, sensitivity is defined as the probability of getting a positive test result in subjects with the disease…