factor_agent.derived.Provider#

class Provider[source]#

Bases: object

Fills derived columns of a DerivedColumnsFactor.

columns are the derived columns it fills; data_columns the dataset columns it reads, panel_columns those of them it reads from the panel only, never handed to the graph as arrays (a date key); warmup_bars the bars before the first computed bar it reads.

Methods#

Provider.fill

The arrays of columns, on the axes of arrays (timestamps by symbols).

Attributes#

Provider.columns = ()#: The derived columns the provider fills.

Provider.data_columns = ()#: The dataset columns it reads.

Provider.panel_columns = ()#: The dataset columns it reads from the panel only.

Provider.warmup_bars = 0#: The bars before the first computed bar it reads.