apollo_longToWide function

Converts data from long to wide format.

Converts choice data from long to wide format, with one row per observation as opposed to one row per alternative/observation.

apollo_longToWide(longData, longToWide_settings)

Arguments

• longData: data.frame. Data in long format.

• longToWide_settings: List. Contains settings for this function. User input is required for all settings.

  • ‘altColumn’ : Character. Name of column in long data that contains the names of the alternatives (either numeric or character).
  • ‘altSpecAtts’ : Character vector. Names of columns in long data with attributes that vary across alternatives within an observation.
  • ‘choiceColumn’ : Character. Name of column in long data that contains the choice.
  • ‘idColumn’ : Character. Name of column in long data that contains the ID of individuals.
  • ‘obsColumn’ : Character. Name of column in long data that contains the observation index.

Returns

Silently returns a data.frame with the wide format version of the data. An overview of the data is printed to screen.