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

Weighted Mean00:57

Weighted Mean

5.2K
While taking the arithmetic, geometric, or harmonic mean of a sample data set, equal importance is assigned to all the data points. However, all the values may not always be equally important in some data sets. An intrinsic bias might make it more important to give more weightage to specific values over others.
For example, consider the number of goals scored in the matches of a tournament. While computing the average number of goals scored in the tournament, it may be more important to...
5.2K
Survival Tree01:19

Survival Tree

128
Survival trees are a non-parametric method used in survival analysis to model the relationship between a set of covariates and the time until an event of interest occurs, often referred to as the "time-to-event" or "survival time." This method is particularly useful when dealing with censored data, where the event has not occurred for some individuals by the end of the study period, or when the exact time of the event is unknown.
 Building a Survival Tree
Constructing a...
128
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving01:29

Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving

88
Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
88
Improving Translational Accuracy02:07

Improving Translational Accuracy

11.7K
Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
11.7K

You might also read

Related Articles

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

Sort by
Same author

A hybrid gazelle optimization and reptile search algorithm for optimal clustering in wireless sensor networks.

Scientific reports·2025
Same author

A hybrid cuckoo search algorithm with Nelder Mead method for solving global optimization problems.

SpringerPlus·2016
Same journal

Analysis of strength degradation of coal and rock masses and stability of mined areas under long term immersion environment.

PloS one·2026
Same journal

Biogenic Silver-Selenium nanocomposite with anticancer activity and potent efficacy against vancomycin-resistant Staphylococcus aureus.

PloS one·2026
Same journal

Preparation and physicochemical characterization of a biodegradable chitosan/carboxymethyl cellulose hydrogel synthesized in NaOH/urea medium.

PloS one·2026
Same journal

Action-guilt, survivor-guilt, and depression in combat-related PTSD.

PloS one·2026
Same journal

Explainable machine learning for predicting activities of daily living at discharge in stroke patients: A retrospective study using SHAP interpretability.

PloS one·2026
Same journal

Deep learning based two-way feature depiction model for brain tumor detection.

PloS one·2026
See all related articles

Related Experiment Video

Updated: Aug 5, 2025

A Fully Automated and Highly Versatile System for Testing Multi-cognitive Functions and Recording Neuronal Activities in Rodents
09:13

A Fully Automated and Highly Versatile System for Testing Multi-cognitive Functions and Recording Neuronal Activities in Rodents

Published on: May 3, 2012

14.4K

A modified weighted chimp optimization algorithm for training feed-forward neural network.

Eman A Atta1, Ahmed F Ali2, Ahmed A Elshamy1

  • 1Department of Mathematics, Faculty of Science, Suez Canal University, Ismailia, Egypt.

Plos One
|March 28, 2023
PubMed
Summary
This summary is machine-generated.

A new Modified Weighted Chimp Optimization Algorithm (MWChOA) effectively trains feed-forward neural networks. By reducing leader solutions, it enhances exploration and avoids local optima, outperforming 16 other swarm intelligence algorithms.

More Related Videos

Integration of Animal Behavioral Assessment and Convolutional Neural Network to Study Wasabi-Alcohol Taste-Smell Interaction
06:19

Integration of Animal Behavioral Assessment and Convolutional Neural Network to Study Wasabi-Alcohol Taste-Smell Interaction

Published on: August 16, 2024

460
Swin-PSAxialNet: An Efficient Multi-Organ Segmentation Technique
04:48

Swin-PSAxialNet: An Efficient Multi-Organ Segmentation Technique

Published on: July 5, 2024

470

Related Experiment Videos

Last Updated: Aug 5, 2025

A Fully Automated and Highly Versatile System for Testing Multi-cognitive Functions and Recording Neuronal Activities in Rodents
09:13

A Fully Automated and Highly Versatile System for Testing Multi-cognitive Functions and Recording Neuronal Activities in Rodents

Published on: May 3, 2012

14.4K
Integration of Animal Behavioral Assessment and Convolutional Neural Network to Study Wasabi-Alcohol Taste-Smell Interaction
06:19

Integration of Animal Behavioral Assessment and Convolutional Neural Network to Study Wasabi-Alcohol Taste-Smell Interaction

Published on: August 16, 2024

460
Swin-PSAxialNet: An Efficient Multi-Organ Segmentation Technique
04:48

Swin-PSAxialNet: An Efficient Multi-Organ Segmentation Technique

Published on: July 5, 2024

470

Area of Science:

  • Computational Intelligence
  • Machine Learning
  • Optimization Algorithms

Background:

  • Swarm intelligence (SI) algorithms utilize exploration and exploitation mechanisms for optimal solutions.
  • Balancing exploration and exploitation is crucial for SI algorithm performance.
  • Standard and weighted Chimp Optimization Algorithms (ChOA, WChOA) can be prone to local optima.

Purpose of the Study:

  • To propose a Modified Weighted Chimp Optimization Algorithm (MWChOA) for training feed-forward neural networks (FNNs).
  • To address the local optima drawback of existing ChOA variants.
  • To enhance the exploration capabilities of the Chimp Optimization Algorithm.

Main Methods:

  • Modification of the Chimp Optimization Algorithm by reducing leader solutions from four to three.
  • Training a feed-forward neural network using the proposed MWChOA.
  • Comparative analysis against 16 other SI algorithms on the Eleven dataset.

Main Results:

  • The MWChOA demonstrated improved search capabilities and an enhanced exploration phase.
  • The algorithm successfully avoided trapping in local optima.
  • MWChOA achieved superior performance in training FNNs compared to other SI algorithms.

Conclusions:

  • The proposed MWChOA effectively trains feed-forward neural networks.
  • Reducing the number of leader solutions is a viable strategy to improve SI algorithm performance.
  • MWChOA offers a promising alternative for optimization tasks in machine learning.