5eeca7d385178092790e08c1d5ad6cbcff35d3dc,nilmtk/metergroup.py,MeterGroup,load,#MeterGroup#,518

Before Change

                    chunk = chunk_from_next_meter
                    timeframe = chunk.timeframe
                elif len(chunk_from_next_meter) > 0:
                    n = len(chunk)
                    timeframe = timeframe.intersect(chunk_from_next_meter.timeframe)
                    chunk += chunk_from_next_meter
                    chunk = chunk.dropna()
                    if len(chunk) < n:

After Change

                // Update columns_to_average_counter
                physical_quantities = chunk_from_next_meter.columns.get_level_values("physical_quantity")
                columns_to_average = (set(PHYSICAL_QUANTITIES_TO_AVERAGE)
                                      .intersection(physical_quantities))
                counter_increment = pd.DataFrame(1, columns=columns_to_average, 
                                                 index=chunk_from_next_meter.index)
                columns_to_average_counter = columns_to_average_counter.add(
                    counter_increment, fill_value=0)

            if chunk.empty:
                break

            // Divide any columns which need dividing to create mean values
            for column in columns_to_average_counter:
                chunk[column] /= columns_to_average_counter[column]

            chunk.timeframe = timeframe
            yield chunk

    def plot_when_on(self, **load_kwargs):

Instances