Compute the PRO Change Score

Compute the PRO Change Score

compute_change_score(
  dat = NULL,
  subject.id = NULL,
  time.var = NULL,
  score = NULL
)

Arguments

dat	pass the dataframe
subject.id	variable of the subject ID in the dataframe numeric; default is USUBJID
time.var	variable of the Time in the dataframe - PLEASE CHECK THAT THIS IS CORRECTLY ORDERED, default is Time
score	numeric PRO score variable, default is Y_comp

Value

returns a dataframe with two additional variables, PRO score at baseline and PRO change score