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

Prediction Intervals01:03

Prediction Intervals

3.6K
The interval estimate of any variable is known as the prediction interval. It helps decide if a point estimate is dependable.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y. 
3.6K
End Point Prediction: Gran Plot01:07

End Point Prediction: Gran Plot

1.5K
A Gran plot is used to predict the equivalence volume or endpoint of a potentiometric or acid-base titration without reaching the endpoint. Typically, titration data is collected as a function of the titrant's volume up to a point less than the equivalence volume and then transformed into a linear format. The straight line is extended to the x-axis, indicating the necessary titrant volume to achieve the equivalence point.
For potentiometric titration, the Gran plot is created by plotting...
1.5K
Predicting Products: SN1 vs. SN202:27

Predicting Products: SN1 vs. SN2

17.8K
Nucleophilic substitution reactions of alkyl halides can proceed via an SN1 or an SN2 mechanism. While in SN2 reactions, the nucleophile attacks the substrate simultaneously as the leaving group departs, in SN1 reactions, the substrate first dissociates to give the carbocation intermediate. Various factors such as the structure of the substrate, the strength of the nucleophile, and the nature of the solvent promote one mechanism over the other.
With increased substitution on the alkyl halide,...
17.8K
Model Approaches for Pharmacokinetic Data: Distributed Parameter Models01:06

Model Approaches for Pharmacokinetic Data: Distributed Parameter Models

316
Pharmacokinetic models are mathematical constructs that represent and predict the time course of drug concentrations in the body, providing meaningful pharmacokinetic parameters. These models are categorized into compartment, physiological, and distributed parameter models.
The distributed parameter models are specifically designed to account for variations and differences in some drug classes. This model is particularly useful for assessing regional concentrations of anticancer or...
316
Predicting Products: Substitution vs. Elimination02:52

Predicting Products: Substitution vs. Elimination

15.2K
When a nucleophile and an alkyl halide react, nucleophilic substitution and β-elimination reactions compete to generate products.
The following factors can influence the mechanisms competing against each other:
15.2K

You might also read

Related Articles

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

Sort by
Same author

EVAR may reduce the risk of aneurysm rupture despite persisting type Ia endoleaks.

Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists·2011
Same author

Regional differences in the use of a vascular surgical service and incidence of amputations in a well-defined geographical area.

The European journal of surgery = Acta chirurgica·2004
Same author

Postthrombotic syndrome after isolated calf deep venous thrombosis: the role of popliteal reflux.

Journal of vascular surgery·2002
See all related articles

Related Experiment Video

Updated: Apr 5, 2026

Trajectory Data Analyses for Pedestrian Space-time Activity Study
16:14

Trajectory Data Analyses for Pedestrian Space-time Activity Study

Published on: February 25, 2013

14.3K

Sequence Prediction With Sparse Distributed Hyperdimensional Coding Applied to the Analysis of Mobile Phone Use

Okko J Rasanen, Jukka P Saarinen

    IEEE Transactions on Neural Networks and Learning Systems
    |August 19, 2015
    PubMed
    Summary

    This study introduces a novel sparse hyperdimensional coding method for sequence prediction. This incremental approach efficiently captures variable-order structures, outperforming traditional n-grams and mixed-order Markov models in mobile usage pattern prediction.

    Related Experiment Videos

    Last Updated: Apr 5, 2026

    Trajectory Data Analyses for Pedestrian Space-time Activity Study
    16:14

    Trajectory Data Analyses for Pedestrian Space-time Activity Study

    Published on: February 25, 2013

    14.3K

    Area of Science:

    • Machine Learning
    • Signal Processing
    • Data Mining

    Background:

    • Sequence prediction is crucial for signal processing and machine learning.
    • Traditional methods like n-grams and Markov models have limitations in capturing complex temporal structures.
    • Existing techniques often require significant computational resources or batch training.

    Purpose of the Study:

    • To present a novel sequence prediction method using sparse hyperdimensional coding.
    • To demonstrate the method's ability to utilize higher-order temporal structures effectively.
    • To enable real-time online learning and prediction with limited computational resources.

    Main Methods:

    • Developed a sequence prediction technique based on sparse hyperdimensional coding.
    • Focused on balanced utilization of higher-order temporal structures within the coding scheme.
    • Implemented an incremental learning approach for real-time processing.

    Main Results:

    • The proposed sparse hyperdimensional predictor successfully captured variable-order structures in mobile usage sequences.
    • Outperformed n-grams and mixed-order Markov models in unweighted average recall.
    • Achieved weighted average recall comparable to mixed-order Markov chains without batch training.

    Conclusions:

    • Sparse hyperdimensional coding offers an efficient and effective approach for sequence prediction.
    • The incremental nature of the method is suitable for real-time applications with limited resources.
    • This method provides a competitive alternative to existing sequence modeling techniques.