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Sep 1, 2016 6:25 PM
(8898 views)

Could anybody help me with plotting and saving standardized residual? Thank you!

Here is the related texts in the book:

* *

*"By asking SPSS(or your software package of choice) to save standardized residuals, you can then select only those cases that have residuals within a reasonable range (e.g., −3 to +3) and rerun the analysis to see whether that small number of cases had an appreciable effect on the analysis."*

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The definition of a standardized residual is the residual values divided by the standard deviation of the residuals. Therefore all that has to be done, is to save the residuals from the regression platform you are using(i.e. Fit Y by X, Fit Model, etc.).

Then create a new column and in that column

specify the formula

<Saved Residual Column Name> / Col Std Dev(<Saved Residual Column Name>)

Then simply go to Graph builder and plot the Standardized Residual column against your X column.

Jim

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The definition of a standardized residual is the residual values divided by the standard deviation of the residuals. Therefore all that has to be done, is to save the residuals from the regression platform you are using(i.e. Fit Y by X, Fit Model, etc.).

Then create a new column and in that column

specify the formula

<Saved Residual Column Name> / Col Std Dev(<Saved Residual Column Name>)

Then simply go to Graph builder and plot the Standardized Residual column against your X column.

Jim

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Re: How to plot standardized residual?

Thank you so much, Jim! That is very helpful! I followed your steps and achieved the purpose. Esp. appreciated the graphs!