Smoothing

When working with formulas one can use predefined functions listed in the table below:

Name	Brief description
Bpf	It models the variable values using the Baxter-King filter.
Census1	It smoothes variable using the Census1 method.
Hpf	It smoothes the variable using the Hodrick-Prescott filter (smoothing parameter is lambda).
HpfP	It smoothes the variable using the Hodrick-Prescott filter (smoothing parameter is a power).
Lrxf	It models the variable using the LRX filter.
MedianSmooth	It models the variable using the median smoothing.
MovAvg	It transforms the variable using the moving average method.
X11	It executes seasonal decomposition and adjustment of data. NOTE. The X11 method is supported only in Windows.