Search for tag: "regression line"

2.8 Example Pearson's r and regression | Basic Statistics | Correlation and Regression | UvA

In this video Matthijs answers the following questions using an example of two variables: 1. Is there a linear relationship? 2. What is the Pearson's r? 3. What is the regression equation and…

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2.5 How well does the regression line fit | Basic Statistics | Correlation and Regression | UvA

In this video Matthijs explains you how to assess how well the regression line fits the data using R-squared. R-squared tells you how much better a regression line predicts the value of a dependent…

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2.4 Describing the regression line | Basic Statistics | Correlation and Regression | UvA

This video shows how you can describe a regression line with a regression equation. Matthijs explains the different parts of the regression equation: predicted value of y, intercept, regression…

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2.3 Finding the regression line | Basic Statistics | Correlation and Regression | UvA

In this video you learn how to find the regression line. This is important, because it is the basis for many statistical analyses. Matthijs explains the calculation of residuals and drawing the line…

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3.3 The regression model | Inferential Statistics | Simple regression | UvA

This video looks at the population regression equation. You see how it models the relation between predictor and response variable in the population.

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3.2 The regression equation | Inferential Statistics | Simple regression | UvA

In this video you learn what residuals are and how they are used to find the best fitting straight line in simple regression. You learn to use two formulas to calculate the intercept and the…

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3.1 The regression line | Inferential Statistics | Simple regression | UvA

Regression forms the basis for many advanced statistical techniques, so it is important to understand what regression is. This video explains correlation, the regression equation and the regression…

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Scatterplot with Regression Line 7 1

Scatterplot with Regression Line

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Regression line in a scatterplot in SPSS

Adding a regression line to a scatterplot in SPSS.

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Representing moderation by regression lines in SPSS

Representing moderation by regression lines in a scatterplot in SPSS.

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Regression lines for a continuous moderator in SPSS

Regression lines for a continuous moderator in a scatterplot in SPSS.

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