sensortoolkit.qc._interval_downsampling.sensor_timedelta

sensor_timedelta(df_list, serials)[source]

Create dataframe with time deltas (in seconds) between subsequent data entries.

Parameters
  • df_list (list) – List of sensor dataframes at original, recorded sampling frequency.

  • serials (dict) – A dictionary of sensor serial identifiers for each unit in a testing group.

Returns

A dataset containing the intervals in seconds between consecutive timestamps in recorded datasets. Each column corresponds to the time delta intervals for datasets within the passed df_list.

Return type

delta_df (pandas DataFrame)