Compute Standardized Mean Differences
Checks whether a vector has more than two unique values
Compute components of SMD
Computes SMD variance
Compute the standardized mean difference
Apply a function pairwise along a list
Compute n, mean and variance
Helper to clean up smd output
Compute Standardized Mean Difference
Variance computations
Computes standardized mean differences and confidence intervals for multiple data types based on Yang, D., & Dalton, J. E. (2012) <https://support.sas.com/resources/papers/proceedings12/335-2012.pdf>.