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I done a binary regression,it's possible that the the plot of residual vs Predict has two different line? I never see before one like this

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  • $\begingroup$ Standrdized residuals don't make sense for logistic regression models. Instead, you should bin and group your predictors and then analyze deviance residuals. $\endgroup$ – Demetri Pananos Dec 19 '19 at 19:22
  • $\begingroup$ So default diagnostic plot are meaningless for binary regression $\endgroup$ – Simone Chiodi Dec 19 '19 at 19:30
  • $\begingroup$ Yes. You have to do a little extra work to get some meaningful diagnostics. Read up on deviance residuals and deviance diagnostic plots. $\endgroup$ – Demetri Pananos Dec 19 '19 at 19:35