Tech Notes

My notes on Statistics, Big Data, Cloud Computing, Cyber Security

Tag Archives: R Square

Degrees of Freedom

What is the minimum number of observations required to draw the regression for a single independent variable
y = b0 + b1x + e

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Sum of Squares, R Square

The method of least squares is a criterion for fitting a specified model to observed data. For example, it is the most commonly used method of defining a straight line through a set of points on a scatterplot.

Screenshot_112713_101224_PM

The y-hat line above is the line of best fit (predictor line, estimator line)

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