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. 2016 Feb 22;11(2):e0138866. doi: 10.1371/journal.pone.0138866

Fig 3. Top 10 most frequently selected features as baseline predictors of MCI-to-dementia progression.

Fig 3

Features are shown separately for each single-source model: CRF (blue), CAM (green), MRI (red), PPM (yellow). A subset of these features (dashed line) was selected as part of both the single-kernel (CONCAT) and the multiple-kernel (MKL-Gaussian) multi-source models and included only CAM and MRI features. The selection frequency across 100 trials of the 10x10 cross-validation experiment is shown in parentheses as: (#) for single-source model only or (#/#) for both single/multi-source (MKL-Gaussian) models. APOE = apolipoprotein E, ADAS-Cog = Alzheimer's Disease Assessment Scale–Cognitive sub-scale, FAQ = Functional Activities Questionnaire, RAVLT = Rey Auditory Verbal Learning Test, VOL = volume, CT = cortical thickness.