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F test
F test is a method for using the F ratio and F distribution to compare statistical models.
t distribution
T distribution is a probability distribution that is very similar but slightly more variable than the normal distribution. The t distribution has a slightly different shape depending on the degrees of freedom used to estimate . And for very large ...
critical t score
Critical t score is the distance between the boundaries of the "unlikely" area for a t distribution and the mean of that distribution expressed in number of standard deviations; for example, if we assume a sampling distribution is t-shaped, the ...
categorical variable
Categorical variable is a variable for which the values don’t tell us anything about quantity; the values simply tell us which category the object belongs to.
Data Generating Process (DGP)
Data Generating Process (DGP) The Data Generating Process (DGP) refers to the underlying mechanism—real or hypothetical—that produces the data we observe. A DGP specifies how variables are related, how randomness enters the system, and how observed ...