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Regression analysis is a statistical method used to establish relationships between variables. It helps in understanding how one variable (the predictor) affects another variable (the outcome). This technique is widely used in data analysis to make predictions, identify trends, and model complex relationships.
• Multiple Regression Types: Supports linear, logistic, polynomial, and ridge regression. • Model Evaluation: Provides metrics like R-squared, mean squared error, and coefficient significance. • Customizable: Allows users to select specific variables and interactions for analysis. • Data Handling: Can process CSV data and handle missing values. • Visualizations: Generates plots to visualize relationships between variables. • Interpretability: Offers clear explanations of coefficients and their significance.
What is regression analysis used for?
Regression analysis is used to predict outcomes, identify relationships between variables, and model complex datasets. It is commonly applied in business forecasting, economics, and social sciences.
How do I interpret regression coefficients?
Coefficients represent the change in the outcome variable for a unit change in the predictor variable, holding other variables constant. A positive coefficient indicates a positive relationship, while a negative coefficient indicates a negative relationship.
What does R-squared mean in regression?
R-squared measures the proportion of variance in the outcome variable explained by the predictors. A higher R-squared value (closer to 1) indicates a better fit of the model to the data.