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Table 4 Leave-one-out cross-validation (LOOCV) results for the SVM model on ADI-R items for the genetic disorder sample

From: Behavioral signatures related to genetic disorders in autism

Genetic disorder SVM frequency of assigned class and predicted probabilities

22q11DS

Down’s

PWS

SMC15

TSC

XXY
Total
  n Probability n Probability n Probability n Probability n Probability n Probability n
22q11DS 74 0.602 1 0.092 7 0.095 0 0.032 6 0.15 14 0.215 102
Down’s 0 0.027 1 0.166 1 0.103 0 0.097 0 0.03 0 0.047 2
PWS 7 0.099 18 0.485 68 0.537 9 0.301 7 0.12 6 0.167 115
SMC15 0 0.02 0 0.11 4 0.089 10 0.326 0 0.05 2 0.067 16
TSC 2 0.103 0 0.044 3 0.068 0 0.064 30 0.43 9 0.185 44
XXY 7 0.149 1 0.103 5 0.108 3 0.179 7 0.22 20 0.319 43
Total 90   21   88   22   50   51   322
Accuracy 74/90 (82%) 1/21 (10%) 68/88 (77%) 10/22 (45%) 30/50 (60%) 20/51 (39%) 203/322 (63%)
  1. 22q11DS, 22q11.2 deletion syndrome; ADI-R, Autism Diagnostic Interview-Revised; Down’s, Down’s syndrome; LOOCV, leave-one-out cross-validation; PWS, Prader-Willi syndrome; SMC15, supernumerary marker chromosome 15; SVM, support vector machine; TSC, tuberous sclerosis complex; XXY, Klinefelter syndrome.