cnrm.nino34.mc: Example Data of Polychotomous Observations and Continuous...
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cnrm.nino34.mc R Documentation
Example Data of Polychotomous Observations and Continuous Forecasts
Description
Polychotomous observations with four categories (obsv) and continuous
forecasts (fcst) of the Nino-3.4 index for January 1961-2000. The forecast
data stem from model runs initialized using data for the preceding August
1960-1999. Definition of the four observation "categories": (1) obsv < 26 C;
(2) obsv in [26 C,27 C[; (3) obsv in [27 C,28 C[; (4) obsv >= 28 C.
Format
A data frame with 40 rows and 3 columns:
- years
integer, year of observation (1961-2000)
- obsv
integer, polychotomous observations
(categories 1-4; (1) < 26 C; (2) 26-27 C; (3) 27-28 C; (4) >= 28 C)
- fcst
numeric, continuous forecasts of Nino-3.4 index (degrees C)
Details
The forecast data are from the coupled ocean-atmosphere model of the Centre
National de Recherches Meteorologiques (CNRM) of Meteo France and were
generated as part of the "Development of a European Multimodel Ensemble
System for Seasonal to Interannual Prediction (DEMETER)" project (Palmer et
al. 2004). Note that also the examples presented in the 2AFC paper by Mason
and Weigel (2009) are based on these data.
References
Palmer, T.N. and Coauthors, 2004: Development of a European
ensemble system for seasonal to inter-annual prediction (DEMETER). Bull.
Amer. Meteor. Soc., 85, 853-872.
Mason, S.J. and A.P. Weigel, 2009: A
generic forecast verification framework for administrative purposes. Mon.
Wea. Rev., 137, 331-349
afc documentation built on Sept. 11, 2026, 9:08 a.m.
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| cnrm.nino34.mc | R Documentation |
Example Data of Polychotomous Observations and Continuous Forecasts
Description
Polychotomous observations with four categories (obsv) and continuous forecasts (fcst) of the Nino-3.4 index for January 1961-2000. The forecast data stem from model runs initialized using data for the preceding August 1960-1999. Definition of the four observation "categories": (1) obsv < 26 C; (2) obsv in [26 C,27 C[; (3) obsv in [27 C,28 C[; (4) obsv >= 28 C.
Format
A data frame with 40 rows and 3 columns:
- years
integer, year of observation (1961-2000)
- obsv
integer, polychotomous observations (categories 1-4; (1) < 26 C; (2) 26-27 C; (3) 27-28 C; (4) >= 28 C)
- fcst
numeric, continuous forecasts of Nino-3.4 index (degrees C)
Details
The forecast data are from the coupled ocean-atmosphere model of the Centre National de Recherches Meteorologiques (CNRM) of Meteo France and were generated as part of the "Development of a European Multimodel Ensemble System for Seasonal to Interannual Prediction (DEMETER)" project (Palmer et al. 2004). Note that also the examples presented in the 2AFC paper by Mason and Weigel (2009) are based on these data.
References
Palmer, T.N. and Coauthors, 2004: Development of a European
ensemble system for seasonal to inter-annual prediction (DEMETER). Bull.
Amer. Meteor. Soc., 85, 853-872.
Mason, S.J. and A.P. Weigel, 2009: A
generic forecast verification framework for administrative purposes. Mon.
Wea. Rev., 137, 331-349
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