Hi,
I'm trying to calculate a (95%) confidence level on a
correlation/regression map (ie correlating a single timeseries with the
timeseries for another variable, over a number of spatial points).
To do this for two timeseries I would use information about the
autocorrelations in order to work out an effective number of degrees of
freedom. Hoverver for a correlation map this is quite a computationally
intensive process - looping over each grid point and at multiple lags.
Are there any in built functions that do this?
Many thanks
Alex
_________________________________________________________________
Alex Sen Gupta
Centre for Environmental Modelling and Prediction (CEMAP)
School of Mathematics
The University of New South Wales Telephone: +61-2-9385-6902
UNSW SYDNEY NSW 2052 Facsimile: +61-2-9385-7123
Australia E-mail: alexg@maths.unsw.edu.au
www.maths.unsw.edu.au/~alexg/
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