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Autoregression (statistics)
An autoregressive model is a time series model regressing a variable on its own past values plus white noise; proposed by Yule in 1927, it underlies ARMA and ARIMA models.
Autoregressive conditional heteroskedasticity
Autoregressive conditional heteroskedasticity, or ARCH models, is a class of time-series models introduced by Robert F. Engle in 1982 in which variance depends on past shocks.
Autoregressive distributed lag model
The autoregressive distributed lag (ARDL) model is an econometric time-series regression explaining a variable by its own lags and current and lagged explanatory variables, used with the Pesaran bounds test for cointegration.
Autoregressive image generation
Autoregressive image generation treats images as sequences of discrete tokens predicted one after another by a Transformer, revived in 2024 by faster next-scale models like VAR.
Autoregressive integrated moving average
The autoregressive integrated moving average (ARIMA) model, a univariate time-series forecasting method, is the central model of the Box–Jenkins tradition of identification, estimation, and diagnostic checking.
Autoregressive model
An autoregressive (AR) model is a time-series model that predicts a variable's current value from its own past values, first used by Udny Yule in 1927.
Autoregressive moving-average model
The autoregressive moving-average model, or ARMA model, is a statistical model for stationary time series that combines autoregressive and moving average terms; it underlies the ARIMA family.
Autoregressive neural network
An autoregressive neural network is a neural network that predicts the next value of a sequence from its own previous values, spanning forecasting and generative models like WaveNet.
Autoregressive rollout forecasting
Autoregressive rollout forecasting is the method machine-learning weather models use to extend forecasts: they predict a short step ahead, feed it back in, and repeat.
Autoridad de Seguridad Nuclear y Radiológica
The Autoridad de Seguridad Nuclear y Radiológica, the Consejo de Seguridad Nuclear (CSN), is Spain's independent public body regulating nuclear safety and radiological protection, created by law in 1980.
Autorità di Regolazione per Energia, Reti e Ambiente
The Autorità di Regolazione per Energia, Reti e Ambiente (ARERA) is Italy's independent regulatory authority for electricity, natural gas, water services, urban waste, and district heating, established in 1995.
Autorité de régulation des communications électroniques, des postes et de la distribution de la presse (Senegal)
The Autorité de régulation des communications électroniques, des postes et de la distribution de la presse (ARTP) is Senegal's independent regulator of telecommunications and postal services.
Autorité de sûreté nucléaire
The Autorité de sûreté nucléaire (ASN, Nuclear Safety Authority) was France's independent nuclear safety regulator, created in 2006 and replaced on 1 January 2025 by the ASNR after absorbing the IRSN.
Autorité des marchés financiers (France)
The Autorité des marchés financiers (AMF) is France's independent public authority regulating financial markets, created in 2003 to protect savings, inform investors, and ensure markets function properly.
Autoriteit Consument en Markt
The Autoriteit Consument en Markt (ACM, Authority for Consumers and Markets) is the Netherlands' independent regulator for competition, consumers, energy, telecom, transport, and post, created in 2013.
Autorotation
Autorotation is an unpowered rotorcraft flight state where the main rotor turns from upward airflow as the aircraft descends, letting a helicopter glide to a landing after engine failure.
Autoroute A75
The Autoroute A75, known as La Méridienne, is a mostly toll-free French motorway running about 320 km from Clermont-Ferrand to Béziers, crossing the Massif Central over the Millau Viaduct.
Autoroutes et tunnels du Maroc
Autoroutes et tunnels du Maroc (الطرق السيارة بالمغرب) is Morocco's toll motorway network, run by state company ADM since 1989 and grown to about 1,800 kilometers, Africa's second largest.
Autoroutes Paris-Rhin-Rhône
Autoroutes Paris-Rhin-Rhône (APRR) is a French toll motorway concession company founded in 1961 that operates about 1,890 km of motorways in eastern France, controlled by Eiffage since 2006.
AUTOSAR
AUTOSAR (AUTomotive Open System ARchitecture) is a global partnership of automotive and software companies that develops an open, standardized software framework and E/E architecture for vehicles since 2003.
Autoscaling
Autoscaling is a cloud computing technique that automatically adjusts the compute resources allocated to an application, either by adding or removing whole instances or by changing the CPU and memory of existing ones.
AutoScout24
AutoScout24, originally MasterCar AG, is a Germany-based online marketplace for new and used cars, founded in Munich in 1998 and owned by Hellman & Friedman since 2020.
Autosomal dominant brachyolmia
Autosomal dominant brachyolmia (brachyolmia type 3, OMIM 113500) is a rare TRPV4-related skeletal dysplasia with short-trunk short stature, platyspondyly, kyphoscoliosis, and adult-onset degenerative joint disease, inherited dominantly.
Autosomal dominant Charcot-Marie-Tooth disease type 2A1
CMT2A1 (ORPHA:99946, OMIM 118210) is a rare autosomal dominant axonal Charcot-Marie-Tooth neuropathy linked to KIF1B, with childhood onset, leg-predominant weakness, and postural tremor; distinct from the common MFN2-related CMT2A2.
Autosomal dominant Charcot-Marie-Tooth disease type 2A2
Autosomal dominant Charcot-Marie-Tooth disease type 2A2 (CMT2A2, OMIM 609260), an MFN2-related axonal neuropathy with childhood-onset distal weakness, areflexia, foot deformities, and severe disability, sometimes with optic atrophy and vocal cord palsy.
Autosomal dominant Charcot-Marie-Tooth disease type 2B
Autosomal dominant Charcot-Marie-Tooth disease type 2B (CMT2B, OMIM 600882) is a rare axonal sensorimotor neuropathy caused by RAB7A missense mutations, with onset in the second or third decade, distal sensory loss, and ulcerating foot infections.
Autosomal dominant Charcot-Marie-Tooth disease type 2C
CMT2C (autosomal dominant Charcot-Marie-Tooth disease type 2C, OMIM 606071) is a rare TRPV4-related axonal neuropathy with vocal cord paresis, hearing loss, and breathing muscle weakness; no cure, ABS-0871 in trials.
Autosomal dominant Charcot-Marie-Tooth disease type 2D
CMT2D (OMIM 601472, ORPHA 99938), also dSMA-V spectrum, is a rare autosomal dominant axonal neuropathy from GARS1 variants, causing slowly progressive distal weakness predominantly in the hands, with adolescent or adult onset.
Autosomal dominant Charcot-Marie-Tooth disease type 2E
CMT2E, also called CMT1F or CMTDIG when classified by nerve conduction, is an autosomal dominant axonal neuropathy caused by NEFL mutations, with distal weakness, pes cavus, onset from childhood to late adulthood.
Autosomal dominant Charcot-Marie-Tooth disease type 2F
Autosomal dominant Charcot-Marie-Tooth disease type 2F (CMT2F, OMIM 606595) is a rare axonal hereditary neuropathy caused by HSPB1 (Hsp27) mutations, causing distal lower-limb weakness, variable sensory loss, and overlap with dHMN2.