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Related Concept Videos

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In statistics, correlation describes the degree of association between two variables. In the subfield of linear regression, correlation is mathematically expressed by the correlation coefficient, which describes the strength and direction of the relationship between two variables. The coefficient is symbolically represented by 'r' and ranges from -1 to +1. A positive value indicates a positive correlation where the two variables move in the same direction. A negative value suggests a...
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In statistics, two variables are said to be correlated if the values of one variable are associated with the other variable. Depending on the relationship between two variables, correlation can be of three types– positive correlation, negative correlation, and zero correlation.
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Correlation means that there is a relationship between two or more variables (such as ice cream consumption and crime), but this relationship does not necessarily imply cause and effect. When two variables are correlated, it simply means that as one variable changes, so does the other. We can measure correlation by calculating a statistic known as a correlation coefficient. A correlation coefficient is a number from -1 to +1 that indicates the strength and direction of the relationship between...
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The correlation coefficient, r, developed by Karl Pearson in the early 1900s, is numerical and provides a measure of strength and direction of the linear association between the independent variable x and the dependent variable y.
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The correlation coefficient, r, developed by Karl Pearson in the early 1900s, is numerical and provides a measure of strength and direction of the linear association between the independent variable, x, and the dependent variable, y. Hence, it is also known as the Pearson product-moment correlation coefficient. It can be calculated using the following equation:
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Statistical tests can calculate whether there is a relationship, or correlation, between independent and dependent variables. An indirect relationship of the variables signifies a correlation, while a direct relationship shows causation. If it is determined that no connection exists between the variables, then the correlation is a coincidence.
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Cross-Modal Multivariate Pattern Analysis
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A multi-label text sentiment analysis model based on sentiment correlation modeling.

Yingying Ni1, Wei Ni2

  • 1School of Media & Communication Shanghai Jiao Tong University, Shanghai, China.

Frontiers in Psychology
|January 6, 2025
PubMed
Summary
This summary is machine-generated.

The emotion correlation-enhanced sentiment analysis model (ECO-SAM) improves multi-label sentiment analysis by modeling emotion correlations. This approach enhances classification performance and sentiment semantic interpretability.

Keywords:
attention mechanismemotion theorynatural language processingsentiment analysistext classification

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Area of Science:

  • Natural Language Processing
  • Artificial Intelligence
  • Machine Learning

Background:

  • Sentiment analysis is crucial for understanding text, but traditional models struggle with multi-label classification and nuanced emotion correlations.
  • Existing models often lack interpretability and struggle with the complexities of diverse emotional expressions within text.

Purpose of the Study:

  • To introduce the Emotion Correlation-enhanced Sentiment Analysis Model (ECO-SAM) for improved multi-label sentiment analysis.
  • To enhance the modeling of semantic correlations between emotions within text data.
  • To achieve interpretable sentiment analysis with superior classification performance.

Main Methods:

  • Utilized a pre-trained BERT encoder for semantic text embedding.
  • Employed a self-attention mechanism to model semantic correlations between emotions.
  • Developed a text emotion matching neural network for sentiment classification.

Main Results:

  • ECO-SAM demonstrated significant improvements over baseline models on public datasets.
  • Achieved up to a 13.33% increase in precision, 3.69% in recall, and 8.44% in F1 score.
  • The model's sentiment semantics were found to be interpretable.

Conclusions:

  • ECO-SAM effectively models sentiment semantics and achieves excellent classification performance.
  • The model shows promise for various public sentiment analysis applications.
  • Future work could explore multi-modal data and larger training datasets.