Movie Box Office Prediction Based on IFOA-GRNN

Table 2

The definitions of symbols.

Symbol	Definition
X	Fruit fly abscissa
Y	Fruit fly ordinate
X_axis	Fruit fly starting abscissa
Y_axis	Fruit fly starting ordinate
D	Fruit fly distance from origin
S	Taste concentration judgment value
Smell	Taste concentration
bestSmell	Maximum taste concentration
bestIndex	Fruit fly location with greatest flavor concentration
L	Fruit fly distance per random search
Σ	Spreading parameters
RMSE	Root mean square error