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THE FEUTEX TOOLKIT

Linear Regression

Fit y = intercept + slope × x to paired observations and report R².

Statistics workspace● Runs in your browser
01 Your input
02 Your result
View or copy raw result data
FormulaLeast squares fit using centered sums

How to use this tool

  1. Load the example or enter your own values in the labeled fields.
  2. Run the tool and review the result and assumptions.
  3. Copy or download the result for your workflow.

Try this example

{"rows": "1,3\n2,5\n3,7"}

Accuracy and scope

Association is not causation. Constant x values are rejected; no forecast certainty is implied.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.