cohortBuilder (version 0.3.0)

primary_keys: Define Source datasets primary keys

Description

Primary keys can be defined as `primary_keys` parameter of set_source method. Currently, primary keys are used only to show keys information in attrition plot (See attrition).

Usage

primary_keys(...)

Value

List of class `primary_keys` storing data_keys objects.

Arguments

...

Data keys describing tables primary keys.

Examples

primary_keys(
  data_key('books', 'book_id'),
  data_key('borrowed', c('user_id', 'books_id', 'date'))
)