Useful tips for everyday
How do you find the expected number of trials until success? The number of trials includes the one that is a success: x = all…
Can a scatter plot be used to find a relationship between two variables? Scatter plots are used to observe relationships between variables. The example scatter…
Can you use histogram for age? A histogram is a special graph applied to statistical data broken down into numerically ordered groups; for example, age…
What is the natural parameter space? The natural parameter space N is convex (as a set) and the cumulant function A(η) is convex (as a…
How to build a general bivariate normal distribution? 2˘N(0;1), which we will use to build a general bivariate normal distribution. f(z 1;z 2) = 1…
How do you test interrater reliability? Inter-Rater Reliability Methods Count the number of ratings in agreement. In the above table, that’s 3. Count the total…
How are probabilistic graphical models related to energy based models? Probabilistic graphical models associate a probability to each configuration of the relevant variables. Energy-based models…
How do I know if my data is balanced in R? pbalanced() to make data balanced; is. pconsecutive() to check if data are consecutive; make.…
What is model confidence interval? Abstract: A confidence interval is an interval (i.e., a range of values) estimate of a parameter of a population (e.g.,…
What is MCA in R? The Multiple correspondence analysis (MCA) is an extension of the simple correspondence analysis (chapter @ref(correspondence-analysis)) for summarizing and visualizing a…