NMFBFS: A NMF-Based Feature Selection Method in Identifying Pivotal Clinical Symptoms of Hepatocellular Carcinoma
Table 3
The NMF-derived participation of the symptoms to each corresponding basis component.
Basis components
Number of symptoms
The names of symptoms
Basis 1
16
Varicose veins []; yellow complexion []; yellow skin and eye []; stomach pain []; dry stool []; feeling thirsty []; hot flash []; doing belly full bilge []; fullness in stomach []; block under the rib []; chills []; fever []; spider telangiectasia in liver palm []; ascites []; yellow greasiness []; anorexia []
Basis 2
17
Nausea []; pulse slip []; petechial and ecchymosis tongue []; white slip []; chest distress []; semiliquid stool []; weak pulse []; night sweat []; dirty mouth []; red tongue []; thready pulse []; sticky greasy coating []; purple tongue []; stringy pulse []; pale white lip []; large and teeth-printed tongue []; gloomy complexion []
Basis 3
16
Tinnitus []; dizziness []; pain in shoulder and back []; chest pain []; distending pain in hypochondrium []; bitter taste []; insomnia []; appearance with stained yellow []; yellow urine []; hiccup []; soreness and weakness of waist and knees []; dry throat []; feverishness in palms and soles []; spontaneous perspiration []; night urination much []; physically and mentally fatigued []
