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Performs a Box-Cox transformation to a time serie.
prep.homogenize.boxcox(tserie)
a ts object
ts
A list is returned containing:
Transformed ts object.
Lambda value.
Box-Cox transformation: https://en.wikipedia.org/wiki/Power_transform#Box.E2.80.93Cox_transformation
# NOT RUN { prep.homogenize.log(AirPassengers) # }
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