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* '''[[w:Regression analysis|Regression analysis]]''' is a statistical process for estimating the relationships among variables. It includes many techniques for modeling and analyzing several variables, when the focus is on the relationship between a [[w:dependent variable|dependent variable]] and one or more [[w:independent variable|independent variable]]s. ( Wikipedia )
* '''[[w:Regression analysis|Regression analysis]]''' is a statistical process for estimating the relationships among variables. It includes many techniques for modeling and analyzing several variables, when the focus is on the relationship between a [[w:dependent variable|dependent variable]] and one or more [[w:independent variable|independent variable]]s. ( Wikipedia )
* '''[[w:Coefficient of determination|Coefficient of determination]]''', denoted '''''R''<sup>2</sup>''' and pronounced '''R squared''', indicates how well data points fit a statistical model – sometimes simply a line or curve. ( Wikipedia )
:::It is a [[w:statistic|statistic]] used in the context of [[w:statistical model|statistical model]]s whose main purpose is either the [[w:Prediction#Statistics|prediction]] of future outcomes or the testing of [[w:hypotheses|hypotheses]], on the basis of other related information. It provides a measure of how well observed outcomes are replicated by the model, as the proportion of total variation of outcomes explained by the model. ( Wikipedia )


A '''[[w:scatter plot|scatter plot]]''', '''scatterplot''', '''scatter diagram''' or '''scattergraph''' is a type of [[w:mathematical diagram|mathematical diagram]] using [[w:Cartesian coordinate system|Cartesian coordinates]] to display values for two [[w:Variable (mathematics)|variable]]s for a set of data. ( Wikipedia )
A '''[[w:scatter plot|scatter plot]]''', '''scatterplot''', '''scatter diagram''' or '''scattergraph''' is a type of [[w:mathematical diagram|mathematical diagram]] using [[w:Cartesian coordinate system|Cartesian coordinates]] to display values for two [[w:Variable (mathematics)|variable]]s for a set of data. ( Wikipedia )
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