| Orthogonal Constrains |
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| q | There are orthogonal constrains been build in in the EOF |
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| analysis: |
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| (1) | The principal components (PCs)
are orthogonal in time. |
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| There are no
simultaneous temporal correlation between |
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| any two principal components. |
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| (2) The EOFs are orthogonal in space. |
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| There are no spatial
correlation between any two EOFs. |
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| q | The second orthogonal constrain is removed in the rotated |
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| EOF analysis. |
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