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Conditional prediction using copula

Three predictors are used to predict an unknown variable: conditional expectation, conditional median, and conditional probability. The conditional distribution is determined by copulas. The functions support both bivariate and multivariate distributions. The ConditionalPrediction_script.R in the scripts folder shows how to use the functions and implement conditional prediction using the example data. The example_data.RData contains mean air temperature at one day obtained from weather stations and ERA-Interim data.

The packages sp, gstat, VineCopula, and copula are available on CRAN whereas the package spcopula on R-Forge.

New to copulas?

Please take a look at the post "Environmental processes are linked, but how?" An introduction to copulas.

References:

  • Alidoost F., Su Z, Stein A. 2019. Evaluating the effects of climate extremes on crop yield, production and price using multivariate distributions: A new copula application. Weather and climate extremes.

  • Alidoost F., Stein A., Su Z. 2019. The use of bivariate copulas for bias correction of reanalysis air temperature data. PLOS ONE.

  • Alidoost, F., (2019), Copulas for integrating weather and land information in space and time (Doctoral), University of Twente.

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Functions in R to implement conditional prediction using copula

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