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. 2013 Sep 11;6:365. doi: 10.1186/1756-0500-6-365

Table 2.

MARS Basis Functions

Bm
Definition
am
Variable
Variable
      descriptor Importance
BF1
(IL10 − 5.17)+
0.312
IL10
100%
BF3
(Lymphocytes − 8)+
−0.011
Lymphocytes
84%
BF4 (Platelets − 45)+ −0.004 Platelets 72%

Shown are the basis functions (BF) for the MARS model for Dengue hemorrhagic fever.

Bm each indiviual basis function, am, coefficient of the basis function. (y)+, = max(0, y).