The price time series is more irregular: many high amplitudes appear in the periodogram for periods of between a week and a year. This is because the price time series has many spikes and is less smooth and regular than the load time series.
The price time series is more irregular: many high amplitudes appear in theperiodogram for periods of between a week and a year. This is because the price time series has many spikes and is less smooth and regular than the load time series.