What Is a Factor Variable in Statistics

Factors are the variables that experimenters control during an experiment in order to determine their effect on the response variable. … Factors can be a categorical variable or based on a continuous variable but only use a limited number of values chosen by the experimenters.

What is a factor variable example?

What factor variables are. A “factor” is a vector whose elements can take on one of a specific set of values. For example, “Sex” will usually take on only the values “M” or “F,” whereas “Name” will generally have lots of possibilities. The set of values that the elements of a factor can take are called its levels.

What's the difference between a factor and a variable?

In context|mathematics|lang=en terms the difference between variable and factor. is that variable is (mathematics) a symbol representing a variable while factor is (mathematics) any of various objects multiplied together to form some whole.