| bmem | Mediation analysis based on bootstrap | 
| Math | Parents' education levels and adolescent mathematics achievement of 76 families in 1986 | 
| power.bmem | Conducting power analysis | 
| power.curve | Generate a power curve | 
| summary | Sumarize the results of function 'bmem' | 
| summary.bmem | Sumarize the results of function 'bmem' | 
| summary.power | Organize the results into a table |