This function takes an Agg Series Slot or periodic slot, a date, and a column, and returns the value of the slot in the given column and at the given date, in units based on the display scale and units for that slot.
Type
NUMERIC
Arguments
Type
Meaning
1
SLOT
the series or periodic slot whose value is to be returned
2
DATETIME
the datetime of the value to be returned
3
NUMERIC
the column, interpreted as a 0-based integral index
Evaluation
The function returns and error and aborts the run if the input slot is not of an appropriate type, if the date is not fully specified, or if the date is not contained in the series.