Changes between Initial Version and Version 1 of udg/ecoms/RPackage/examples/verification


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Timestamp:
May 12, 2016 1:56:46 PM (6 years ago)
Author:
juaco
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  • udg/ecoms/RPackage/examples/verification

    v1 v1  
     1= Forecast verification: a worked example
     2
     3In this example we obtain data from the NCEP's CFSv2 seasonal forecasting system (`dataset = "CFSv2_seasonal"`). In particular, in this example we will retrieve maximum daily surface temperature (`var = "tasmax"`) for boreal summer (JJA, `season = 6:8`) for a rectangular domain centered on the Iberian Peninsula and France (`lonLim = c(-10,15)` and `latLim = c(35,50)`), for the period 1981-2000 (`years = 1981:2000`), and considering the first
     49 ensemble members (`members = 1:9`) and a lead-month 2 forecast 2 (`leadMonth = 2`).
     5
     6We will illustrate the verification of these predictions data against the observational gridded datasets WATCH Forcing
     7Dataset-ERA-Interim (WFDEI, `dataset = "WFDEI"`), also available via the ECOMS-UDG. To this aim, we will use the tools developed within the projects SPECS and EUPORIAS. In particular, we will use the verification routines available in the R package `SpecsVerification` (available on CRAN). However, instead of using them directly, we will use the user-friendly interface implemented in package `easyVerification`, via the wrapper function `veriApply`.
     8
     9{{{#!text
     10tx.forecast <- loadECOMS(dataset = "CFSv2_seasonal",
     11                         var = "tasmax",
     12                         members = 1:4,
     13                         lonLim = c(-10 ,15),
     14                         latLim = c(35, 50),
     15                         season = 6:8,
     16                         years = 1991:2000,
     17                         leadMonth = 2)
     18}}}
     19
     20[[Image()]]