glm(IND ~(TEI+TDF+SAB) , family=binomial, data=CN, weights=N_1)

Coefficients:
          Estimate Std. Error z value Pr(>|z|)
(Intercept) -12.957596   4.740681  -2.733 0.006271 **
TEI          0.087508   0.023516   3.721 0.000198 ***
TDF         -0.004049   0.009586  -0.422 0.672782
SAB_         0.049415   0.015133   3.265 0.001093 **
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