beffect: Title
In jiezhou-2/imediation: Individual Mediation Analysis

Title

beffect(
  index,
  u,
  mintercept,
  BB,
  type,
  ocoe_tm,
  ocoe_confounder,
  ocoe_intercept,
  ocoe_mm
)

`index`	is the mediator of interest
`u`	is the state vector
`mintercept`	the estimated intercept in mediator model
`BB`	is the estimated state transition matrix
`type`	the type of outcome
`ocoe_tm`	the coefficients of treatment-mediator interaction in outcome model
`ocoe_confounder`	is the coefficient of confounder in outcome model
`ocoe_intercept`	is the estiamted intercept in outcome model
`ocoe_mm`	is the coefficient of mediator-mediator interaction in outcome model