trdbilson {FRAPO} | R Documentation |
Bilson Trend
Description
Calculation of the Bilson Trend as a technical trading indicator.
Usage
trdbilson(y, exponent)
Arguments
y |
Objects of classes: numeric, matrix, data.frame, ts, mts, and timeSeries are supported. |
exponent |
Numeric, the value for |
Details
The Bilson trend is calculated according to the formula:
z = sign(y) \times |y|^{(1 - |y|^\alpha)}
Value
An object of the same class as y
, containing the computed
Bilson trend values.
Methods
- y = "data.frame"
The calculation is applied per column of the data.frame and only if all columns are numeric.
- y = "matrix"
The calculation is applied per column of the matrix.
- y = "mts"
The calculation is applied per column of the mts object. The attributes are preserved and an object of the same class is returned.
- y = "numeric"
Calculation of the bilson trend.
- y = "timeSeries"
The calculation is applied per column of the timeSeries object and an object of the same class is returned.
- y = "ts"
Calculation of the bilson trend. The attributes are preserved and an object of the same class is returned.
- y = "xts"
Calculation of the bilson trend. The attributes are preserved and an object of the same class is returned.
- y = "zoo"
Calculation of the bilson trend. The attributes are preserved and an object of the same class is returned.
Author(s)
Bernhard Pfaff
See Also
trdbinary
, trdes
,
trdhp
, trdsma
,
trdwma
, capser
Examples
data(StockIndex)
y <- StockIndex[, "SP500"]
yret <- diff(log(y))
bilson <- trdbilson(yret, exponent = 2)
head(bilson)