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Directional component analysis

Directional component analysis (DCA) is a statistical method used in climate science for identifying representative patterns of variability in space-time data-sets such as historical climate observations, weather prediction ensembles or climate ensembles.

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Applications

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Overview

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Derivation of the First DCA Pattern

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Overview

Applications

  • CRU Climatic Research Unit
  • ECMWF European Centre for Medium-Range Weather Forecasts

Derivation of the First DCA Pattern

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Map overview Semantic statistics

Directional component analysis

Nodes20
Edges19
Triples2
Avg. degree1.9
Density0.1
Components1

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Important terminology

dca pattern impact first function climate spatial patterns weather given ensemble variability linear pca rainfall displaystyle probability density likely large

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
historical climate observationsinstance ofis a statistical method used in climate science for identifying representative patterns of variability in space-time data-sets0.80text
weather prediction ensembles or climate ensembles.The first DCA pattern is a pattern of weather or climate variability that is both likely to occurinstance ofis a statistical method used in climate science for identifying representative patterns of variability in space-time data-sets0.80text

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