The FXB.ta.EFI class calculates the Elder force index, and a moving average of the index. It is a bar-based calculation, and requires candle data as an input. Parameters are as follows:
| Parameter | Description |
| period | Rolling period for the moving average |
| maType | Type of moving average. Defaults to an exponential moving average (ema / 1). |
The primary output values - GetValue() etc - contain the force index. The signal values - GetSignalValue() etc - contain the moving average.
