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Interpreting the residuals vs. fitted values plot [duplicate]

Residuals vs. Fitted Values plot Can someone tell me which OLS assumptions might be violated according to the figure and why? Moreover, what are the consequences for the point estimators and the ...
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What does this graphs mean in linear regression? [duplicate]

I don't know how to interpret these graphs. Is model well fitted? And how to analyze Cook's dist Vs Leverage plot? I would be very grateful for help. Linear regresssion model shows dependence ...
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Cannot understand this residuals plot in r [duplicate]

I am very new to r and statistics in general. I am trying to test for homogeneity of variance on a multiple linear regression model I have created, and as I understand this is done by checking ...
73k views

Interpreting plot.lm()

I had a question about interpreting the graphs generated by plot(lm) in R. I was wondering if you guys could tell me how to interpret the scale-location and leverage-residual plots? Any comments ...
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Interpretation of plot (glm.model)

Can anyone tell me how to interpret the 'residuals vs fitted', 'normal q-q', 'scale-location', and 'residuals vs leverage' plots? I am fitting a binomial GLM, saving it and then plotting it.
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What does the residuals vs fitted regression line express?

So what can I infer from this red regression line? What does it mean for the regression line to get positive residual values or negative residual values? I know e.g. that I can infer that the more ...
1k views

help for interpreting the residuals vs. fitted values plot

I have an ordinal variable (scale of stress) considered as continuous predictor in a multivariate linear regression. I would like to verify the assumption of linearity and this is my residuals vs. ...
1k views

Interpreting linear regression residual plots using R

I'm investigating whether there is a relationship between the day of the week and an outcome value using linear regression in R, and would like to understand how to ...
613 views

Does this plot suggest violation of equal variance?

My model has 1 continuous outcome. Above is the residuals vs. fitted values plot. I know that if the equal variance assumption holds, then the residuals should be scattered evenly around 0 line with ...