[b] rounding time windows

FHSTP/prep.py

@@ -2,8 +2,8 @@
 # Title: Data Preparation for LINK Configs and Transmissions
 # Author: Fabian Kovac <ds191008@fhstp.ac.at>
 # Team: University of Applied Sciences St. Pölten
-# Version: 2.1
-# Last changed: 2021-07-05
+# Version: 2.2
+# Last changed: 2021-07-15
 #
 
 import sys
@@ -14,7 +14,6 @@ import datetime
 
 import numpy as np
 import pandas as pd
-from pandas.tseries.offsets import Minute
 
 
 def parse_arguments() -> argparse.Namespace:
@@ -456,7 +455,7 @@ def prep() -> None:
     df_link['BEGINTIME'] = df_link['BEGINTIME'].dt.tz_localize('Europe/Vienna').dt.tz_convert('UTC').dt.tz_localize(None)
     _log('Converted BEGINTIME to UTC')
     
-    # fix 15min time-lag in transmissions
+    # fix 15min timelag in transmissions
     df_link['BEGINTIME'] = df_link['BEGINTIME'] - pd.Timedelta(15, unit = 'min')
     _log('Fixed 15min timelag in transmissions')
     
@@ -472,7 +471,7 @@ def prep() -> None:
     _log('Created PMIN and PMAX of REMOTERXLEVEL')
     
     # convert 3min windows to 15min windows
-    group_cols = [df_link['BEGINTIME'].dt.floor('15Min'), 'RADIOLINKID']
+    group_cols = [df_link['BEGINTIME'].dt.round('15Min'), 'RADIOLINKID']
     agg_cols = {
         'PMIN' : 'min',
         'PMAX' : 'max',