The tool supports interface of Foresight Analytics Platform 9 or earlier.

Logarithm

The Logarithm method calculates series logarithms by the specified base: Log(X[t]). It is a part of a group of arithmetic methods.

NOTE. The logarithm can be calculated only for the series values within the range (0,∞).

To apply the method

After the method is applied, in the workbook, based on each selected series a calculated series with a name of the Log(<Series_Name>) type is created, containing the calculation results. For example:

Setting Up Calculation Parameters. The Parameters Tab

To set up calculation parameters, use the Parameters side panel tab.

To display the tab

Specify the value of logarithm base in the Logarithm Base box. The logarithm base value must be positive. The default logarithm base is 10.