create_txVis: Create a txvis object from raw data.
In johnwilsonICON/TxVis: Visualizations for treatment sequence data

Description Usage Arguments Value Author(s) References Examples

The txvis object contains encoding for patient, treatment and dates, and can have encoding for additional discrete events. The class is used throughout the package.

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create_txvis(patient, treatment, start, end, date_format, ev_patient = NULL,
  events = NULL, event_date = NULL, event_end_date = NULL,
  ev_date_format = date_format)

`patient`	Patient encoding for treatments.
`treatment`	Treatment encoding.
`start`	Start date for treatment in a format defined using `date_format`.
`end`	End date for treatment in a format defined using `date_format`.
`date_format`	Date format, as a character string. See `as.Date`.
`ev_patient`	A patient encoding for each individual event.
`events`	Any point event in the treatment of each individual.
`event_date`	The date of event, formatted as `date_format`.
`event_end_date`	The date that event finished, formatted as `date_format`.
`ev_date_format`	Date format for event dates, as a character string. See `as.Date`.

This command returns an object of class txvis.

Ellen Korol ellen.korol@iconplc.com

txvis Package: https://github.com/johnwilsonICON/txvis

 # `treat` is bundled with the package.
 
 hlth_data <- create_txvis(patient        = treat$pat_id, 
                           treatment      = treat$treatment,
                           start          = treat$start,
                           end            = treat$end,
                           date_format    = "%d%B%Y",
                           ev_patient     = events$pat_id,
                           events         = events$event,
                           event_date     = events$start,
                           event_end_date = events$end)
                           
 hlth_data