| vars_su_y_mjexp__pos | R Documentation | 
Computes the summary score su_y_mjexp__pos_prsum
Marijuana Expectancies (MEEQ-B) [Youth] (Strength of positive
expectancies): Prorated sum [Validation: No more than 1
missing or declined]
Summarized variables:
su_y_mjexp__pos_001
su_y_mjexp__pos_002
su_y_mjexp__pos_003
Excluded values: none
Validation criterion: maximally 1 of 3 items missing
vars_su_y_mjexp__pos
compute_su_y_mjexp__pos_prsum(
  data,
  name = "su_y_mjexp__pos_prsum",
  combine = TRUE,
  max_na = 1
)
| data | tbl. Data frame containing the columns to be summarized. | 
| name | character, Name of the new column to be created. Default is the name in description, but users can change it. | 
| combine | logical, If  | 
| max_na | numeric, positive whole number. Number of missing items allowed (Default: 1). | 
vars_su_y_mjexp__pos is a character vector of all column names
used to compute summary score of su_y_mjexp__pos_prsum
and su_y_mjexp__pos_nm
tbl. The input data frame with the summary score appended as a new column.
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