Figure 7
From: Automatic online detection of atrial fibrillation based on symbolic dynamics and Shannon entropy
Distributions of Se , Sp , PPV and ACC with respect to various threshold settings when our method was applied to different testing sets. (a) Results of the AFDB set; (b) Results of the AFDB‡ database (‡ indicates records “00735” and “03665” omitted); (c) Results of the AFDB† database († indicates records “04936” and “05091” omitted); (d) Results of the MITDB database; (e) Results of the NSRDB database; (f) Results of the AFDB+NSRDB database and (g) Results of the AFDB†+NSRDB database.