Fig. 2
From: Classification of vasovagal syncope from physiological signals on tilt table testing
Violin plot of effects of test positive and negative subjects on tilting position variables of CV_SBPV (coefficient of variance of systolic BP variability), CV_DBPV (coefficient of variance of diastolic BP variability), and LFnu_SBPV (low-frequency normalized power of systolic BP variability). The estimated likelihood density of the data at test positive and test negative individuals is also displayed on the violin plot, providing a more thorough comprehension of the distribution of the values. Here A KNN imputation data + FI selected features; B  mean imputation data + FI selected features