Retrieve all items that have been entered in the db so far by booklet and position in the booklet
get_design( dataSrc, format = c("long","wide"), rows = c("booklet_id","item_id","item_position"), columns = c("item_id","booklet_id","item_position"), fill =NA)
Arguments
dataSrc: a dexter database or any object form which a design can be inferred
format: return format, see below
rows: variable that defines the rows, ignored if format='long'
columns: variable that defines the columns, ignored if format='long'
fill: If set, missing values will be replaced with this value, ignored if format='long'
Returns
A data.frame with the design. The contents depend on the rows, columns and format parameters if format is 'long' a data.frame with columns: booklet_id, item_id, item_position (if available) if format is 'wide' a data.frame with the rows defined by the rows parameter and the columns by the columns parameter, with the remaining variable (i.e. item_id, booklet_id or item_position) making up the cells