Research Article

Prediction of Heavy Oil Steam Stimulation Based on Data-Driven and Mechanism Model

Table 2

Characteristic importance based on the Random Forest Gini index.

ā€‰x1x2x3x4x5x6x7x8x9x10x11x12x13

y10.1260.1350.1860.0940.1670.0080.1130.0060.0960.0940.1260.1780.167
y20.1690.0870.1670.1720.0050.1350.1240.1070.0850.1670.0910.1340.142
ā€‰x14x15x16x17x18x19x20x21x22x23x24x25x26
y10.0010.0080.1240.1480.0010.0070.0010.0010.1830.1390.0090.1910.002
y20.0070.0020.0980.1090.0020.1360.0030.0140.0090.0080.1260.1350.016