sensortoolkit.reference._load_ref_data.import_ref_dataframe
- import_ref_dataframe(df, path, year, month, suffix=None)[source]
Import reference data for the specified monthly period and parameter classification.
- Parameters
df (pandas dataframe) – Constructor dataframe containing reference data (FRM/FEM) at 1-hour averaged intervals. Data loaded by this module are appended to the constructor dataframe and returned.
path (str) – Full path to reference data directory where files are located.
year (str) – The year (YYYY) for which data will be loaded.
month (str) – The month (MM) for which data will be loaded.
suffix (str) – The parameter classification (‘PM’, ‘Gases’, or ‘Met’) indicating the type of reference data to be imported.
- Returns
Modified dataframe with imported data appended to the passed dataset. Contains reference data (FRM/FEM) at 1-hour averaged intervals.
- Return type
df (pandas dataframe)