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HISTORICAL MODEL [15 records]

Record 1 2025-11-28

English

Subject field(s)
  • Statistical Methods
  • Meteorological Forecasting, Data Measurement and Analysis
  • Oceanography
CONT

Reforecasts(known synonymously as hindcasts or retrospective forecasts) provide a large sample of historical model/ensemble forecasts available to statistically postprocess real-time forecasts using an identical(i. e., statistically consistent) model.

Key term(s)
  • historical reforecast
  • re-forecast

French

Domaine(s)
  • Méthodes statistiques
  • Prévisions météorologiques et mesure et analyse des données
  • Océanographie
CONT

Les prévisions rétrospectives, également connues sous le nom de prévisions a posteriori ou de reprévisions, sont produites à l'aide du même modèle et des mêmes méthodes que les prévisions en temps réel d'un centre de production, mais «prédisent» des états climatiques passés à partir des données d'observation disponibles au moment initial de la prévision rétrospective considérée.

OBS

simulation rétrospective : désignation publiée au Journal officiel de la République française le 3 octobre 2025.

Spanish

Save record 1

Record 2 2023-05-09

English

Subject field(s)
  • Collaboration with the FAO
  • Statistics
  • Modelling (Mathematics)
  • Commercial Fishing
CONT

A lognormal error is usually assumed in the traditional stock–recruitment(SR) analysis.... a positive bias results when [a] SR model with [a] lognormal error is used for fish recruitment prediction. Not only is this bias exponentially dependent on the structure of the model' s residual variance and the historical SR data, it is also dependent on the specific value of spawner biomass used.... a bias correction that is asymptotically unbiased with a finite-sample biasthat is practically zero [is then derived]. Data from two Pacific salmon populations, southeast Alaska pink salmon... and Chilko Lake sockeye salmon... are used to demonstrate this approach. The results show that the relative bias is about 10% for a spawning biomass within the historical range and that the bias is substantial outside that data range. However, with the proposed bias correction, the bias is negligible both within(<0. 1%) and outside of(<0. 3%) the data range.

French

Domaine(s)
  • Collaboration avec la FAO
  • Statistique
  • Modélisation (Mathématique)
  • Pêche commerciale

Spanish

Save record 2

Record 3 2023-03-27

English

Subject field(s)
  • Simulation (Cybernetic Systems)
  • Climatology
DEF

A group of parallel model simulations characterising historical climate conditions, climate predictions, or climate projections.

French

Domaine(s)
  • Simulation (Systèmes cybernétiques)
  • Climatologie
DEF

Groupe de simulations effectuées à l'aide de modèles tournant en parallèle qui caractérisent les conditions passées, prévues et projetées du climat.

Spanish

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Record 4 2023-02-13

English

Subject field(s)
  • Mathematics
  • Statistical Methods
CONT

To test... a mathematical model... by observing whether it would have correctly predicted a historical event.

French

Domaine(s)
  • Mathématiques
  • Méthodes statistiques

Spanish

Save record 4

Record 5 2013-02-20

English

Subject field(s)
  • Modelling (Mathematics)
  • Climatology
CONT

The sea, lake and overland surges from hurricanes(SLOSH) model is a computerized numerical model developed by the National Weather Service(NWS) to estimate storm surge heights resulting from historical, hypothetical, or predicted hurricanes by taking into account the atmospheric pressure, size, forward speed, and track data.

French

Domaine(s)
  • Modélisation (Mathématique)
  • Climatologie

Spanish

Save record 5

Record 6 2012-12-14

English

Subject field(s)
  • Atmospheric, Climatic and Meteorological Phenomena
CONT

SLOSH(Sea, Lake and Overland Surges from Hurricanes) is a computerized model run by the National Hurricane Center(NHC) to estimate storm surge heights and winds [based on] historical, hypothetical, or predicted hurricanes...

French

Domaine(s)
  • Phénomènes météorologiques, climatiques et atmosphériques

Spanish

Save record 6

Record 7 2012-11-27

English

Subject field(s)
  • Atmospheric, Climatic and Meteorological Phenomena
  • Meteorological Forecasting, Data Measurement and Analysis
CONT

SLOSH(Sea, Lake and Overland Surges from Hurricanes) is a computerized model run by the National Hurricane Center(NHC) to estimate storm surge heights and winds resulting from historical, hypothetical, or predicted hurricanes taken into account.

French

Domaine(s)
  • Phénomènes météorologiques, climatiques et atmosphériques
  • Prévisions météorologiques et mesure et analyse des données

Spanish

Save record 7

Record 8 2006-10-11

English

Subject field(s)
  • Building Names
  • Museums and Heritage
OBS

Located in Nova Scotia's port city of Halifax. Admiralty House, built in the early 1800's embraces an ideal for our museum, with a library of over 50, 000 volumes, archives, and a permanent collection displaying historical artifacts including model ships, weapons, photos, medals and much more.

French

Domaine(s)
  • Noms d'édifices et de bâtiments
  • Muséologie et patrimoine

Spanish

Save record 8

Record 9 2006-04-06

English

Subject field(s)
  • Simulation (Cybernetic Systems)
  • Decision-Making Process
  • Defence Planning and Military Doctrine
CONT

SOCRAM is a simulation model that uses the eleven Force Planning Scenarios to generate the demand for operational assets. In a simulation run of the model operational assets are demanded when a scenario is activated and several scenarios can be activated concurrently. The scenario activation rates are based on historical records of CF [Canadian Forces] operations with an emphasis placed on the 1990s. The output of the model is a series of risk assessments where risk is defined as the probability of having an insufficient amount of operational assets. If the Force Planning Scenarios are prioritised or weighted then the consequences of this risk can be determined.

French

Domaine(s)
  • Simulation (Systèmes cybernétiques)
  • Processus décisionnel
  • Doctrine militaire et planification de défense
CONT

SOCRAM est un modèle de simulation qui utilise les onze scénarios de planification des forces afin de déterminer le niveau de la demande opérationnelle globale. Durant un exercice de simulation, les ressources opérationnelles exigées pour un scénario donné sont sélectionnées; plusieurs scénarios peuvent être analysés concurremment. La cadence de lancement des scénarios est basée sur les données historiques des opérations exécutées par les FC [Forces canadiennes] avec un accent mis les années 90. Le résultat du modèle est une série d'évaluations des risques où le risque est défini comme la probabilité d'avoir une quantité insuffisante de ressources opérationnelles. Si les scénarios de planification sont assignés un niveau de priorité ou un poids donné, alors les conséquences de ce risque peuvent être déterminées.

OBS

Pluriel : des scénarios ou rare des scénarii.

OBS

scénarios (pl.) : Cette graphie, puisée des Rectifications de l'orthographe recommandées par le Conseil supérieur de la langue française, est attestée dans le Petit Robert (2006).

Spanish

Save record 9

Record 10 2001-05-31

English

Subject field(s)
  • Accounting
  • Real Estate
CONT

Recently, the Chief Appraiser, Real Property Services Branch of PWGSC, has developed a computer-based model, referred to as the Book Value Calculator-Moveable Assets and Equipment(BVC-MAE), that will provide a deemed historical cost for non-real property and infrastructure assets.

French

Domaine(s)
  • Comptabilité
  • Immobilier

Spanish

Save record 10

Record 11 2001-03-01

English

Subject field(s)
  • Non-Surgical Treatment
CONT

Ayurveda is a wholistic system of medicine from India that uses a constitutional model.... Ayurveda is an intricate system of healing that originated in India thousands of years ago. We can find historical evidence of Ayurveda in the ancient books of wisdom known as the Vedas.

French

Domaine(s)
  • Traitements non chirurgicaux
CONT

Ayurveda, est un mot Sanskrit qui veut dire «Science de la longévité». C'est le système de soins traditionnel et naturel de l'Inde qui est sans doute le plus ancien système de soins du monde. Ses racines remontent à plus de 5000 ans et réfère aux époques des Veda en Inde.

Spanish

Save record 11

Record 12 2000-06-27

English

Subject field(s)
  • Statistical Methods
DEF

A modeling process by which variation in a time series are assumed to be explained wholly by the historical trends of the data itself. In essence, the ARIMA modeling process consists of the autoregressive and moving average processes of the Auto-Regressive Moving Average(ARMA) Model process on data that have been Differenced to render them Stationary. The process uses variations of differencing and transformations to describe historical patterns in the data. Like the simpler ARMA model, forecasts made by an ARIMA modeling process consist of only a mathematical process of projecting inherent characteristics of trend, cycles, and seasonality into the future and incorporate no economic relatinships. Consequently, such models are not appropriate for impact analysis or for incorporating random "shocks", but may prove an effective estimation process when the trends in the historical data are relatively stable and well-behaved.

OBS

The X-11 ARIMA process is used to detect and remove the seasonality from the original data.

French

Domaine(s)
  • Méthodes statistiques
OBS

Dans divers travaux d'économétrie on fait [...] usage de processus mixtes, dits «autorégressifs de moyennes mobiles» [...].

Spanish

Save record 12

Record 13 1994-11-04

English

Subject field(s)
  • Accounting
CONT

... cost allocations are made in many other situations under the historical cost model(for example, research and development costs).

French

Domaine(s)
  • Comptabilité
CONT

[...] des ventilations sont effectuées dans un grand nombre d'autres situations dans le cadre du modèle de la comptabilité au coût historique (par exemple, ventilation entre coûts de recherche et coûts de développement).

Key term(s)
  • coûts historiques

Spanish

Save record 13

Record 14 1989-03-28

English

Subject field(s)
  • Environmental Studies and Analyses
  • Statistics
CONT

Types of Models. There are four basic types of air pollution models-these are :...(iv) Historical-uses statistical analyses of archived pollutant and meteorological data. This type of model can be applied over any time period.

French

Domaine(s)
  • Études et analyses environnementales
  • Statistique

Spanish

Save record 14

Record 15 1989-03-21

English

Subject field(s)
  • Air Pollution
  • Mathematics
  • Simulation (Cybernetic Systems)
CONT

Types of Models. There are four basic types of air pollution models-these are :...(iv) historical-uses statistical analyses or archived pollutant and meteorological data. This type of model can be applied over any time period.

French

Domaine(s)
  • Pollution de l'air
  • Mathématiques
  • Simulation (Systèmes cybernétiques)

Spanish

Save record 15

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