뒤로Finding Residuals and Creating Residual Plots - Excel definitions
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Difference between observed and predicted values, indicating how well a regression model fits each data point. Residual Plot
Graph displaying residuals against the independent variable, used to assess the appropriateness of a linear model. Scatter Plot
Visual chart showing the relationship between two variables, often used to identify patterns or trends. Regression Line
Straight line summarizing the relationship between variables, used to predict values based on the equation. Trend Line
Line added to a chart to illustrate the general direction of data, often representing the regression equation. Predicted Value
Estimated outcome calculated from the regression equation for a given independent variable. Actual Value
Observed measurement from the dataset, used to compare against predicted values for residual calculation. Independent Variable
Input or predictor in a dataset, plotted on the x-axis, used to estimate outcomes in regression analysis. Dependent Variable
Outcome or response in a dataset, plotted on the y-axis, influenced by changes in the independent variable. Regression Equation
Mathematical formula expressing the relationship between variables, used to compute predicted values. Y Hat
Symbol representing the predicted value from a regression equation for a specific input. Random Scatter
Pattern in a residual plot where points are distributed without structure, indicating a good model fit. Model Fit
Degree to which a regression model accurately represents the data, often evaluated using residual plots. Excel Chart
Visual representation of data created in Excel, such as scatter plots or residual plots, aiding analysis. Copy and Paste
Excel technique for replicating formulas across cells, streamlining calculations for predicted values and residuals.
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