sample_size function

Estimate the sample size for a categorical variable.

sample_size(max, min = 1, z = 1.96, error = 0.05)

Arguments

• max: A number as the maximum value of the possible categories.
• min: A number as the minimum value of the possible categories.
• z: A number as the confidence coefficient.
• error: Admissible sampling error.

Returns

The sample size for a categorical variable based on a variance heuristic approximation.