Re: SVD analysis

http://www.ncl.ucar.edu/Document/Functions/Built-in/svd_lapack.shtml

svd_lapack is a direct call to the LAPACK routine.
It does not handle missing values.

http://www.ncl.ucar.edu/Document/Functions/Built-in/svdcov.shtml

does not handle missing values.

===
Please note the following references

References
Bretherton, Smith and Wallace, 1992: An Intercomparison of Methods for
Finding Coupled Patterns in Climate Data. J. Climate, vol 5, 541-560.

The above resulted in 2 publicataion regarding use of SVD for physical
interptetation.

Cherry, 1996: Singular Value Decomposition Analysis and Canonical
Correlation Analysis. J. Climate, vol 9, 2003-2009.

Newman and Sardeshmukh, 1995: A Caveat Concerning Singular Value
Decomposition. J. Climate, vol 8, 352-360.

On 9/23/13 1:11 AM, Yipeng Guo wrote:
> Hi everyone,
> Has anyone ever used the NCL to do SVD (Singular value decomposite) analysis, the example on the website is very unclear to me.
> And it does not allow missing values, if my data has missing values, how can I use the function (svdstd) ?
> It's very grateful if anyone can provide a solution.
> Best wishes
> Sincerely Yipeng
>
>
>
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Received on Mon Sep 23 09:04:25 2013