to_30min# popo.profiles.smartds.to_30min(a)# Average adjacent 15-minute samples onto the 30-minute grid. Mean rather than sum: these are power multipliers, not energy, so the mean is the quantity that survives the change of interval. Parameters: a (ndarray) – Array of shape (steps, customers) at 15-minute resolution, with steps even. Return type: ndarray Returns: Array of shape (steps // 2, customers).