pymare.effectsize.select_expressions

select_expressions(target, known_vars, type=1)[source]

Select a minimal system of expressions needed to solve for the target.

Parameters:

  • target (str) – The named statistic to solve for (‘t’, ‘d’, ‘g’, etc.).

  • known_vars (set or str) – A set of strings giving the names of the known variables.

  • type (int, optional) – Restrict the system to expressions that apply in the one-sample case (1), two-sample case (2), or both (None).

Returns:

A list of Expression instances, or None if there is no solution.

Return type:

list of Expression or None