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fix column name error #43

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fix column name error #43

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9 changes: 6 additions & 3 deletions scripts/run_event_association.py
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Original file line number Diff line number Diff line change
Expand Up @@ -189,7 +189,7 @@ def process_group(group):
event = group.copy()
event = event[event['event_index'] != -1] # Filter out events with event_index == -1
if len(event) == 0:
return pd.DataFrame(columns=phase_picks.columns)
return phase_picks.iloc[0:0] # Return empty DataFrame if no valid events

station_id = event['station_id'].iloc[0] # The station_id for this group
# travel time tt = (tp + ts) / 2 = (1 + ps_ratio)/2 * tp => tp = tt * 2 / (1 + ps_ratio)
Expand All @@ -207,8 +207,8 @@ def process_group(group):
picks_for_station = phase_picks.loc[station_id].copy() # or picks.loc[station_id].copy()
#picks.loc[station_id].copy()
except KeyError:
# If no picks for this station, just return empty or do nothing
return pd.DataFrame(columns=phase_picks.columns)
# If no picks for this station, just return empty DataFrame
return phase_picks.iloc[0:0] # Return empty DataFrame if no picks for this station

# We have shape (n_events, ) and picks_for_station has shape (n_picks_for_station, ...).
# Let's match them up by broadcast.
Expand All @@ -232,6 +232,9 @@ def process_group(group):
updated_picks_list = event_picks.groupby("station_id").parallel_apply(process_group)
updated_picks_list.index = updated_picks_list.index.droplevel(0)
updated_picks_list = updated_picks_list.reset_index()
if 'index' in updated_picks_list.columns:
# rename the 'index' column to 'station_id'
updated_picks_list.rename(columns={'index': 'station_id'}, inplace=True)

return updated_picks_list

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