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Table 5 Final result of MLR for the classification of SC using age and score η estimated by LASSO

From: A practical approach to Sasang constitutional diagnosis using vocal features

   Male Female
   γ l, S.E. Wald’s Z γ l, S.E. Wald’s Z
TE (l = 1) γ0 −0.284 0.341 −0.834 −0.498 0.275 −1.810
  Age 0.004 0.006 0.691 0.011 0.005 2.374
  η 1 1.254 0.442 2.838 1.116 0.234 4.776
  η 2 0.001 0.312 0.004 0.105 0.823 0.127
  η 3 −1.222 0.339 −3.603 −1.297 0.521 −2.492
SE (l = 2) γ0 0.754 0.375 2.014 0.251 0.280 0.897
  Age −0.017 0.007 −2.331 −0.003 0.005 −0.561
  η1 0.241 0.519 0.464 −0.087 0.240 −0.361
  η2 1.078 0.372 2.897 1.453 0.863 1.683
  η3 −1.176 0.380 −3.094 −1.464 0.544 −2.689
  1. Reference category: SY (k* = 3) S.E: standard error of γ l, m , where m = 1,…,4 , indicating the m th element of estimated coefficient vector γ l , Wald’s Z: Wald’s statistics to test the null hypothesis H 0 : γ l,m  = 0.