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Историческую версию Linear Regression Calculator можно получить на Android
Математик приложение для расчета линейной регрессии
This is an application to help students, physics, scientists, mathematicians, etc. to calculate linear regression.
This application allows you to create several samples and, in each one, you just have to add the points (X and Y pairs) and the application will calculate all for you. It’ll calculate the A (inclination) and B (intersection), and you can even see the graphic plot with the points and the adjusted line.