Regression standardized residual
[DOC File]Regression Analysis: t90 versus t50
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denotes an observation with a large standardized residual. X. denotes an observation whose X value gives it large influence. Residuals vs Fits for t90. Plot shows non constant variance and very unusual standardized residuals. Suggests making transformation on both x and y. We will discuss this later. Transform by taking logs of both variables.
[DOC File]Regression Analysis: Water versus Production
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Obs Production Water Fit SE Fit Residual St Resid. 16 18573 4488.0 3756.9 168.1 731.1 2.31R. R denotes an observation with a large standardized residual. Title: Regression Analysis: Water versus Production Author: abs12 Last modified by: Aleksandra Slavkovic Created Date: 2/22/2007 4:45:00 AM ...
[DOC File]Example of Diagnostics for Residuals
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X-values that are far away from the rest of the others can exert a lot of influence on the least squares regression line. A histogram or bar chart of the X-values can identify any potential extreme values.
[DOC File]Creating Residual Plots in Minitab - University of Kentucky
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Stat ( Regression ( Regression. In regression dialogue box, click Storage. Check Standardized Residuals under Diagnostic Measures. Checking for randomness and constant variance. To produce a scatterplot of the standardized residuals against the fitted values: Stat ( Regression ( Regression. Click Graphs and check the box next to Residuals ...
[DOC File]BUILDING THE REGRESSION MODEL II: DIAGNOSTICS
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Influence on All Fitted Values - Cook’s Distance (Standardized) Must exceed F(.5;p,n-p), i.e. 50th percentile to be influential. Case 3 in Body Fat data is at the 30.6th percentile (influential but not large enough) Influence on the Regression Coefficients - DFBETAS (Standardized) Must exceed 1 in small sets to be influential
[DOC File]Plots of Residuals
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We are done with the ANOVA.sav data for now. Bring into SPSS the Residual-HETERO.dat data. Each case has two scores, X and Y. The delimiter is a blank space. Conduct a regression analysis predicting Y from X. Create residuals plots and save the standardized residuals as …
[DOCX File]Lakey's AP Stats - Home
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Use your calculator’s regression function to find the equation of the least-squares regression line. Explain in words what the slope of the regression line tells us. Calculate and interpret the residual for the woman who had a lean body mass of 50.6 kg and a metabolic rate of 1502.
[DOC File]Regression Analysis: Height versus Mother Height
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R denotes an observation with a large standardized residual (Standardized residuals are residuals divided by se; they have a mean of 0 and a standard deviation of 1. This simplifies determining how far an observed value is from the least-squares regression line, …
[DOCX File]www.dovepress.com
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K. Normal probability plot of standardized residual of regression for BOXCOX transformed LAA% (-850HU). L. Scatter plot of standardized residual vs. predicted value of regression for BOXCOX transformed LAA% (-850HU). Supplemental Figure 3. Scatter plots of CT lung volume and LAA% (-950HU) vs. age, height and weight. A-F are for derivation group ...
[DOC File]How to interprete the minitab output of a regression analysis:
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Obs Day Weight Fit SE Fit Residual St Resid. 10 12.0 50.000 56.244 0.772 -6.244 -2.19R. 15 22.0 6.000 0.496 1.418 5.504 2.13R. R denotes an observation with a large standardized residual. Interpretation: the observation number 10 and number 15 are outliers.
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