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

Aggregates Classification01:29

Aggregates Classification

411
Aggregate classification is generally based on its size, petrographic characteristics, weight, and source. Size classification ranges from coarse to fine aggregates, defined by the size of the particles. Coarse aggregates are particles that do not pass through ASTM sieve No. 4, and aggregates that pass through the sieve are fine aggregates.
Petrographic classification groups aggregates based on common mineralogical characteristics. Some of the common mineral groups found in aggregates are...
411
Classification of Signals01:30

Classification of Signals

996
In signal processing, signals are classified based on various characteristics: continuous-time versus discrete-time, periodic versus aperiodic, analog versus digital, and causal versus noncausal. Each category highlights distinct properties crucial for understanding and manipulating signals.
A continuous-time signal holds a value at every instant in time, representing information seamlessly. In contrast, a discrete-time signal holds values only at specific moments, often denoted as x(n), where...
996
Multiple Regression01:25

Multiple Regression

3.3K
Multiple regression assesses a linear relationship between one response or dependent variable and two or more independent variables. It has many practical applications.
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
3.3K
Regression Analysis01:11

Regression Analysis

6.4K
Regression analysis is a statistical tool that describes a mathematical relationship between a dependent variable and one or more independent variables.
In regression analysis, a regression equation is determined based on the line of best fit– a line that best fits the data points plotted in a graph. This line is also called the regression line. The algebraic equation for the regression line is called the regression equation. It is represented as:
6.4K
Prediction Intervals01:03

Prediction Intervals

2.4K
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. 
2.4K
Classification of Systems-I01:26

Classification of Systems-I

356
Linearity is a system property characterized by a direct input-output relationship, combining homogeneity and additivity.
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
356

You might also read

Related Articles

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

Sort by
Same author

Geographical Variation in SARS-CoV-2 Transmission Potential in Massachusetts.

Epidemiologia (Basel, Switzerland)·2026
Same author

Excess mortality in Mainland China after the end of the Zero COVID policy: A systematic review.

Epidemiology and infection·2026
Same author

Object detection as an aid for locating the prostate in surface-based abdominal ultrasound images.

Communications engineering·2025
Same author

Prostate Targeting: Compact Robot With Harmonic Stepper Motors for MRI-Guided Needle Therapy.

IEEE transactions on bio-medical engineering·2025
Same author

Automating prostate volume acquisition using abdominal ultrasound scans for prostate-specific antigen density calculations.

Scientific reports·2025
Same author

COVID-19 Transmission Potential and Non-Pharmaceutical Interventions in Maine During the COVID-19 Pandemic.

Pathogens (Basel, Switzerland)·2025

Related Experiment Video

Updated: Oct 9, 2025

Author Spotlight: Impact of Intergenic Interactions on Disease-Identifying Dark Biomarkers
03:37

Author Spotlight: Impact of Intergenic Interactions on Disease-Identifying Dark Biomarkers

Published on: March 1, 2024

953

Aggregating Twitter Text through Generalized Linear Regression Models for Tweet Popularity Prediction and Automatic

Chen Mo1, Jingjing Yin1, Isaac Chun-Hai Fung1

  • 1Department of Biostatistics, Epidemiology and Environmental Health Sciences, Jiann-Ping Hsu College Public Health, Georgia Southern University, Statesboro, GA 30458, USA.

European Journal of Investigation in Health, Psychology and Education
|December 23, 2021
PubMed
Summary

This study introduces a simple method for analyzing public health data from social media. It simplifies big data text mining, making health data analysis more accessible for public health professionals.

Keywords:
document term matrixhurdle modelodds ratioregressionrelative risksocial networktext data

More Related Videos

Asthma Detection Research Based on Voice Signal Processing and Machine Learning
04:04

Asthma Detection Research Based on Voice Signal Processing and Machine Learning

Published on: July 22, 2025

515
Augmenting Large Language Models via Vector Embeddings to Improve Domain-Specific Responsiveness
03:14

Augmenting Large Language Models via Vector Embeddings to Improve Domain-Specific Responsiveness

Published on: December 6, 2024

723

Related Experiment Videos

Last Updated: Oct 9, 2025

Author Spotlight: Impact of Intergenic Interactions on Disease-Identifying Dark Biomarkers
03:37

Author Spotlight: Impact of Intergenic Interactions on Disease-Identifying Dark Biomarkers

Published on: March 1, 2024

953
Asthma Detection Research Based on Voice Signal Processing and Machine Learning
04:04

Asthma Detection Research Based on Voice Signal Processing and Machine Learning

Published on: July 22, 2025

515
Augmenting Large Language Models via Vector Embeddings to Improve Domain-Specific Responsiveness
03:14

Augmenting Large Language Models via Vector Embeddings to Improve Domain-Specific Responsiveness

Published on: December 6, 2024

723

Area of Science:

  • Public Health
  • Computational Linguistics
  • Data Science

Background:

  • Social media platforms are rich sources of health data.
  • Advanced big data text mining techniques pose challenges for public health analysts.
  • Existing methods for analyzing social media health data are complex.

Purpose of the Study:

  • To propose and explore a novel, straightforward method for health data analysis using social media.
  • To simplify the application of computational techniques for public health data analysts.
  • To reduce data dimensionality and address sparsity issues in text mining.

Main Methods:

  • Regressing outcomes on aggregated influence scores using generalized linear models.
  • Transforming text data into a continuous summary score to reduce the document term matrix.
  • Applying the method to three Twitter datasets: autism spectrum disorder, influenza, and violence against women.

Main Results:

  • The proposed method's results align with established literature on public health topics.
  • The method effectively reduces data dimensionality and mitigates the term matrix sparsity issue.
  • The approach demonstrated appropriate classification of tweets into topic groups.

Conclusions:

  • The novel method offers a feasible and simplified approach to analyzing public health data from social media.
  • This technique enhances accessibility of big data text mining for public health professionals.
  • The method shows consistent performance in both association analyses and automatic tweet classification.