In short
A statistical method for modeling the relationship between a dependent variable and one or more predictors — the simplest form of 'predicting' a number from other numbers.
How to learn this
- 1Plot a simple scatter plot and fit a line by eye before learning the formal method.
- 2Learn to interpret a regression coefficient in plain language.
- 3Understand R-squared as 'how much variance this model explains', roughly.
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