Question

meaning of gini coefficient in logistic regression

Answer 1

The Gini coefficient or Somers' D statistic gives a measure of concordance in logistic models. It is a rank based statistic, where all results are paired (all observed with all predicted). In linear regression, it is a transformation of the Pearson correlation coefficient.

Answer 2

The Gini coefficient or Somers' D statistic gives a measure of concordance in logistic models.
It is a rank based statistic, where all results are paired.
In linear regression, it is a transformation of the Pearson correlation coefficient.