loadData function

Load data from supplied config

loadData is a data loading function for creating a PROsetta_data object, for performing scale linking/equating in the 'PROsetta' package. loadData assumes the response data has been reverse-coded for applicable items. class

loadData(
  response,
  itemmap,
  anchor,
  item_id = NULL,
  person_id = NULL,
  scale_id = NULL,
  input_dir = getwd()
)

Arguments

• response: response data containing case IDs and item responses. This can be a .csv filename or a data.frame object.
• itemmap: an item map containing item IDs and scale IDs. This can be a .csv filename or a data.frame object.
• anchor: anchor data containing item parameters for anchor items. This can be a .csv filename or a data.frame object.
• item_id: the column name to look for item IDs. Automatically determined if not specified.
• person_id: the column name to look for case IDs. Automatically determined if not specified.
• scale_id: the column name to look for scale IDs. Automatically determined if not specified.
• input_dir: the directory to look for the files.

Returns

loadData returns a PROsetta_data object containing the loaded data.