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Direct Transformation <- Previous: Transforming the Dependent Variable
The keyword command setSeries installs the time series into the
FANPAC global _fan_Series.
Transformations can be performed on this matrix directly before calls
to estimate. Such transformations will not be taken into account
by FANPAC however. Statistical procedures across estimations may
be invalidated by transformations applied in between calls to estimate.
It is also essential to apply the transformations to _fan_Series
after the definition of any independent variables. The reason
for this is that FANPAC keeps track of changes in length of the time
series when computeLogReturns and computePercentReturns are
called and makes an appropriate adjustment in the length of the
matrix of independent variables. However a user-defined transformation
on _fan_Series that changes its length will not be taken into
account.
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