Figure 2

(A) Classification accuracy of group (ASD, TD) using subject-wise, record-wise 10 folds cross-validation and record-wise 40 folds cross-validation. Histograms represent mean ± SEM. (B,C) Permutation null distribution generated by splitting data in a record-wise fashion (B) or subject-wise fashion (C). The permutation null distribution is represented by the grey histograms. The purple line in (B) represents the observed record-wise accuracy. The dark blue line in (C) represents the observed subject-wise accuracy. The dashed grey line indicates the 0.5 chance level. (D) Group classification accuracy as a function of sample size computed using record-wise and subject-wise cross-validation. (E) Group classification accuracy of unseen subjects obtained using subject-wise hyper-parameter tuning and record-wise hyper-parameter tuning. (F,G) Movement data colored according to group classification of one exemplar unseen subject with ASD using subject-wise hyper-parameter tuning (F) and record-wise hyper-parameter tuning (G). Data are visualized as a scatterplot of velocity at 80% of movement duration and grip aperture at 90% of movement durations.