This dataset contains one csv file and two python pickle files (.pkl), one for the raw (the same data as csv) and the other for normalized data (amplitudes and phase). Each pickle file contains a pandas DataFrame with the following columns:

52 columns of amplitude (with the prefix "amp_")
52 columns of phase (with the prefix "phase_")
type: If the object is metallic or organic
day: the day of data collection (1 or 2)
object_id: The identification of the object (1 to 4)
position: The object position on the grid as shown in the Figure ("empty" for empty grid measeurements)
configuration: The sensor setup (COMPRIDO for long and CURTO for short)