process_item: Process single item
In DocEd/wranglEHR: Standardised Data Extraction and Wrangling

process_item

R Documentation

Process single item

Takes a table in the EAV style for a single patient and a single data item and transforms it into a tidy format

process_item(df, var_name, metadata, start_time, cadence, params)

`df`	a data table with column names as for the EAV style database tables employed in CC-HIC. The table must contain data only for one dataitem (e.g. have only a single unique 'code_name') and for a single episode (e.g. have only a single unique 'episode_id')
`var_name`	character string of length 1 containing the code_name to be processed
`metadata`	a table containing metadata. Can be found within the package in the '.variables' object
`start_time`	datetime of the episode start
`cadence`	numeric scalar indicating the table base resolution
`params`	a table containing exactly 3 columns called: code_name, short_name and coalesce_rows. The coalesce rows column should contain a summary function which is used when duplicate row level data is present.