Schema for baseline(col, { sigma, ... }): source schema preserved,
plus four optional number columns — the rolling average, standard
deviation, and the avg ± sigma * sd band edges. All four are
required: false because the rolling window may not have a baseline
yet in the opening events.
Schema for
baseline(col, { sigma, ... }): source schema preserved, plus four optional number columns — the rolling average, standard deviation, and theavg ± sigma * sdband edges. All four arerequired: falsebecause the rolling window may not have a baseline yet in the opening events.