create_lines_dt function

Create a data table of treatment lines

Convert a list of treatment lines for multiple treatment strategies to a data.table.

create_lines_dt(strategy_list, strategy_ids = NULL)

Arguments

• strategy_list: A list where each element is a treatment strategy consisting of a vector of treatments.
• strategy_ids: A numeric vector denoting the numeric id of each strategy in strategy_list.

Returns

Returns a data.table in tidy format with three columns:

• strategy_id: Treatment strategy ids.
• line: Line of therapy.
• treatment_id: Treatment ID for treatment used at a given line of therapy within a treatment strategy.

Examples

strategies <- list(c(1, 2, 3),
                  c(1, 2))
create_lines_dt(strategies)