Linear Regression Calculator

About This Tool

The Linear Regression Calculator is a powerful online tool designed for anyone needing to analyze the relationship between variables efficiently. Whether you're a student learning about statistics, a data analyst working on real-world datasets, or a researcher conducting experiments, this tool provides quick and accurate regression analysis. Users upload their paired x-y data, either by manual entry or CSV upload, and the calculator computes the best-fit line using least squares methodology. It delivers key metrics such as slope, intercept, R-squared, and residuals, along with visual charts to better interpret the results. Its intuitive interface makes data input simple, with validation to prevent errors and ensure numeric accuracy. Results are displayed clearly, with options to copy or export data and graphical charts for reporting. Designed responsively, the tool is accessible via desktop and mobile devices, adhering to modern accessibility standards. It also supports multiple languages and regional formats to serve a global audience. Use cases include academic coursework, research analysis, and professional data interpretation. The tool's goal is to empower users to make data-driven decisions quickly without complex software or coding knowledge.

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