regression analysis

Thân thiện

A student performs a regression analysis on a dataset.

Definition

1. Noun:
   • A statistical method for modeling and analyzing the relationship between a dependent variable and one or more independent variables: "regression analysis" is a technique used to estimate how changes in one or more predictor variables are associated with changes in an outcome variable. Its primary use is for prediction and forecasting.

Usage

• "Regression analysis" is used as a singular noun phrase. It typically functions as the subject or object of a sentence in academic, scientific, and business contexts.
• It is often preceded by verbs like , , , or .
• Common types include and .

Examples

• Noun:
  • The researcher performed a regression analysis to predict sales based on advertising spending.
  • Regression analysis showed a strong positive relationship between study hours and exam scores.
  • We need to apply regression analysis to understand these economic trends.

Advanced Usage

• "to run a regression analysis": to execute the statistical procedure.
  • After collecting the data, the next step is to run a regression analysis.
• "results of the regression analysis": refers to the output, including coefficients and significance values.
  • The results of the regression analysis were presented in Table 3.

Variants and Related Words

• Regression (n): The broader statistical concept of which regression analysis is a part. It can refer to the relationship itself or the act of performing the analysis.
  • The regression indicated a significant effect.
• Regression model (n): The specific mathematical equation derived from a regression analysis.
  • They developed a regression model to forecast demand.
• Regressor (n): An independent or predictor variable in a regression analysis.
• Regression coefficient (n): A numerical value that represents the change in the dependent variable for a one-unit change in an independent variable.

Synonyms

• Predictive modeling: A broader term encompassing various techniques, including regression analysis, used to make predictions.
• Correlation analysis: A related but distinct technique that measures the strength and direction of a relationship without implying prediction or causation.

Related Phrases

• Linear regression: A type of regression analysis that models a linear relationship between variables.
• Multiple regression: A type of regression analysis involving two or more independent variables.

Học thuật

Noun

1. the use of regression to make quantitative predictions of one variable from the values of another