Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Trial and Error and Algorithm01:12

Trial and Error and Algorithm

424
A problem-solving strategy is a plan of action used to find a solution. Different strategies have distinct action plans. Trial and error involves trying different solutions until one works. For instance, to fix a broken printer, you might check ink levels, ensure the paper tray isn't jammed, and verify the printer's connection to your laptop. This method can be time-consuming but is commonly used. Thomas Edison, for example, used trial and error to find a suitable filament for the light...
424
Location and Orientation of the Heart01:13

Location and Orientation of the Heart

10.4K
The human heart, despite its modest size and weight, is an organ of remarkable strength and endurance. Roughly the size of a fist, the heart weighs between 250 and 350 grams and is nestled within the mediastinum, the medial cavity of the thorax. It extends obliquely for about 12 to 14 cm, resting on the superior surface of the diaphragm. The heart is positioned anterior to the vertebral column and posterior to the sternum, with two-thirds of its mass lying to the left of the midsternal line.
10.4K
Primary Healthcare Services01:30

Primary Healthcare Services

2.1K
Primary care promotes wellness and prevents disease. This care includes health promotion, education, protection (such as immunizations), early disease screening, and environmental considerations. Settings providing this type of healthcare include physician offices, public health clinics, school nursing, and community health nursing.
In 1978, international leaders convened in Alma-Ata, Kazakhstan, for what would be a pivotal event in global health. The Alma-Ata Declaration was the first to call...
2.1K
Preventive Healthcare Services01:30

Preventive Healthcare Services

2.2K
Preventive healthcare services keep people healthy via frequent check-ups, screening, and counseling. They primarily aid in disease prevention rather than treating an acute or chronic illness. Preventive treatment also keeps individuals productive and energetic, allowing them to work well into their retirement years. Examples of preventive care services include:
2.2K
Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

1.0K
The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
1.0K
Selected Data About Geographic Locations01:25

Selected Data About Geographic Locations

278
Geographic Information Systems (GIS) rely on two core types of data: spatial data and attribute data.Spatial DataSpatial data defines the physical location of features within a coordinate system, typically expressed in terms of latitude and longitude. It provides precise positioning for elements like roads, rivers, or buildings.Attribute DataAttribute data complements spatial data by adding descriptive information about these features. For example, a road's spatial data includes its start and...
278

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Durability and Seasonal Variation in the Effectiveness of Nirsevimab over Three Seasons in Connecticut.

medRxiv : the preprint server for health sciences·2026
Same author

Lineage-specific transmission and spatial clustering of Mycobacterium tuberculosis in Kaohsiung, Taiwan, in 2019-23: a population-based genomic study.

The Lancet. Microbe·2026
Same author

Tropical cyclone exposure and risk of adverse birth outcomes in urban and rural areas of Georgia.

Environmental research communications·2026
Same author

Utilizing virus genomic surveillance to predict vaccine effectiveness.

PLoS computational biology·2026
Same author

Frequent introductions and climate suitability drive increasing dengue risk in Florida.

medRxiv : the preprint server for health sciences·2026
Same author

How Big Is the "Gray Area"? Navigating Health-Threatening Previability Pregnancy Complications in States With Abortion Restrictions.

Annals of internal medicine·2026
Same journal

Therapeutic activation of PPARα contributes to NOTCH1 inhibition in T-cell acute lymphoblastic leukemia.

BMC medicine·2026
Same journal

Social vulnerability index and inflammation: a proteomic analysis linking social context to biological risk in older black adults.

BMC medicine·2026
Same journal

Efficacy of remote ischemic conditioning on cerebral blood flow regulation in patients with endovascular stenting: a randomized controlled trial.

BMC medicine·2026
Same journal

Brief digital narrative intervention for adolescent depression, anxiety, and insomnia during academic stress: a cluster randomized controlled trial.

BMC medicine·2026
Same journal

Effect of Vitamin C on bleeding and pain after kidney biopsy: a randomized controlled trial.

BMC medicine·2026
Same journal

Impact of gestational diabetes on future diabetic retinopathy and microvascular complications: a nationwide cohort study.

BMC medicine·2026
See all related articles

Related Experiment Video

Updated: Feb 5, 2026

A Novel Bayesian Change-point Algorithm for Genome-wide Analysis of Diverse ChIPseq Data Types
12:39

A Novel Bayesian Change-point Algorithm for Genome-wide Analysis of Diverse ChIPseq Data Types

Published on: December 10, 2012

11.7K

Bayesian adaptive algorithms for locating HIV mobile testing services.

Gregg S Gonsalves1, J Tyler Copple2,3, Tyler Johnson2

  • 1Department of Epidemiology of Microbial Diseases, Yale School of Public Health, 60 College Street, New Haven, CT, USA. gregg.gonsalves@yale.edu.

BMC Medicine
|September 4, 2018
PubMed
Summary
This summary is machine-generated.

A new simulation shows the Besag York Mollié (BYM) algorithm slightly improved mobile HIV testing yields by accounting for spatial correlation, outperforming Thompson sampling (TS). Field evaluation is needed to assess practical value.

More Related Videos

Computerized Adaptive Testing System of Functional Assessment of Stroke
05:21

Computerized Adaptive Testing System of Functional Assessment of Stroke

Published on: January 7, 2019

6.3K
Exergaming in Older People Living with HIV Improves Balance, Mobility and Ameliorates Some Aspects of Frailty
07:27

Exergaming in Older People Living with HIV Improves Balance, Mobility and Ameliorates Some Aspects of Frailty

Published on: October 6, 2016

10.9K

Related Experiment Videos

Last Updated: Feb 5, 2026

A Novel Bayesian Change-point Algorithm for Genome-wide Analysis of Diverse ChIPseq Data Types
12:39

A Novel Bayesian Change-point Algorithm for Genome-wide Analysis of Diverse ChIPseq Data Types

Published on: December 10, 2012

11.7K
Computerized Adaptive Testing System of Functional Assessment of Stroke
05:21

Computerized Adaptive Testing System of Functional Assessment of Stroke

Published on: January 7, 2019

6.3K
Exergaming in Older People Living with HIV Improves Balance, Mobility and Ameliorates Some Aspects of Frailty
07:27

Exergaming in Older People Living with HIV Improves Balance, Mobility and Ameliorates Some Aspects of Frailty

Published on: October 6, 2016

10.9K

Area of Science:

  • Epidemiology
  • Public Health
  • Biostatistics

Background:

  • Previous computer simulations compared mobile HIV testing deployment strategies in "hotspot" areas.
  • This study refines prior assessments by increasing geographic zones, incorporating spatial correlation of infection prevalence, and evaluating a prospective search algorithm.

Purpose of the Study:

  • To compare the performance of different algorithms for deploying mobile HIV testing services.
  • To evaluate the impact of spatial correlation on the yield of HIV testing strategies.
  • To assess the effectiveness of the Besag York Mollié (BYM) and Thompson sampling (TS) algorithms in detecting HIV cases.

Main Methods:

  • A simulation model of a hypothetical city with up to 100 geographic zones was created.
  • Undetected HIV infection prevalence was randomly assigned to zones with user-defined weighting for spatial correlation.
  • The Besag York Mollié (BYM), Thompson sampling (TS), and Clairvoyance algorithms were evaluated over 180 days.

Main Results:

  • The BYM algorithm detected 65.3% of cases identified by Clairvoyance, compared to 55.1% for TS.
  • BYM outperformed TS in most sensitivity analyses, except in small grid scenarios (16 zones).
  • The level of spatial correlation (none, low, medium, high) did not significantly affect the relative performance of BYM versus TS.

Conclusions:

  • The BYM algorithm showed a slight improvement in HIV testing yield by accounting for spatial correlation.
  • The practical utility of BYM and TS requires field evaluation due to TS's implementation simplicity.
  • Accounting for spatial correlation may offer marginal gains in optimizing mobile HIV testing resource allocation.