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Least Squares as a square (geogebra illustration)

        

Least Squares as a square (geogebra illustration)

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This is a simple illustration of the principle of least squares.   The learner has to fit a line to three data points by adjusting the slope and intercept of the line.The main point of the illustration is that we visualise the SQUARE of the residuals, and the total sum of squares is made available to the learner to guide the fit.A simple tickbox allows the least squares calculated line of best fit to be superimposed.
Material Type: Animation
Technical Format: Java Applet
Date Added to MERLOT: June 16, 2009
Date Modified in MERLOT: August 26, 2013
Submitter: Paul Hewson
Keywords: linear regression, least squares, statistics

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  • Editor Review avg: 3 rating
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Primary Audience: High School, College General Ed, College Lower Division, College Upper Division, Graduate School
Mobile Compatibility: Not specified at this time
Technical Requirements: Java applet contained, but also the GeoGebra (geogebra.org) "source" document is also contained.
Language: English
Cost Involved: no
Source Code Available: yes
Accessiblity Information Available: unsure
Creative Commons: Creative Commons License
This work is licensed under a Attribution 3.0 United States

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