Evidence map›Paper›PMID 34226584›Full record

ArticleScientific reports2021

Accurate long-range forecasting of COVID-19 mortality in the USA.

Pouria Ramazi, Arezoo Haratian, Maryam Meghdadi, Arash Mari Oriyad, Mark A Lewis, Zeinab Maleki, Roberto Vega, Hao Wang, David S Wishart, Russell Greiner

Abstract read
In one paragraph

Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

12 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Pouria RamaziDepartment of Mathematics and Statistics, Brock University, St. Catharines, ON, L2S 3A1, Canada. pramazi@brocku.ca.
Arezoo HaratianDepartment of Electrical and Computer Engineering, Isfahan University of Technology, 84156-83111, Isfahan, Iran.
Maryam MeghdadiDepartment of Electrical and Computer Engineering, Isfahan University of Technology, 84156-83111, Isfahan, Iran.
Arash Mari OriyadDepartment of Electrical and Computer Engineering, Isfahan University of Technology, 84156-83111, Isfahan, Iran.
Mark A LewisDepartment of Mathematical and Statistical Sciences, University of Alberta, Edmonton, AB, T6G 2G1, Canada.
Zeinab MalekiDepartment of Electrical and Computer Engineering, Isfahan University of Technology, 84156-83111, Isfahan, Iran.
Roberto VegaDepartment of Computing Science, University of Alberta, Edmonton, AB, T6G 2E8, Canada.
Hao WangDepartment of Mathematical and Statistical Sciences, University of Alberta, Edmonton, AB, T6G 2G1, Canada.
David S WishartDepartment of Biological Sciences, University of Alberta, Edmonton, AB, T6G 2E9, Canada.
Russell GreinerDepartment of Computing Science, University of Alberta, Edmonton, AB, T6G 2E8, Canada.

Funding

Alberta Innovates RES0052027
6 · The paper itself

Abstract

The need for improved models that can accurately predict COVID-19 dynamics is vital to managing the pandemic and its consequences. We use machine learning techniques to design an adaptive learner that, based on epidemiological data available at any given time, produces a model that accurately forecasts the number of reported COVID-19 deaths and cases in the United States, up to 10 weeks into the future with a mean absolute percentage error of 9%. In addition to being the most accurate long-range COVID predictor so far developed, it captures the observed periodicity in daily reported numbers. Its effectiveness is based on three design features: (1) producing different model parameters to predict the number of COVID deaths (and cases) from each time and for a given number of weeks into the future, (2) systematically searching over the available covariates and their historical values to find an effective combination, and (3) training the model using "last-fold partitioning", where each proposed model is validated on only the last instance of the training dataset, rather than being cross-validated. Assessments against many other published COVID predictors show that this predictor is 19-48% more accurate.

Indexed as

ForecastingCommunicable DiseasesCOVID-19HumansMachine LearningModels, StatisticalSARS-CoV-2United States

Identifiers

PMID34226584
PMCPMC8257700

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.