Table 3 Feature selection (FS) under random forest approach
From: Examining user behavior with machine learning for effective mobile peer-to-peer payment adoption
Boruta procedure | Gini index procedure | |||||||
|---|---|---|---|---|---|---|---|---|
Variables | Mean importance | Median importance | Min. importance | Max. importance | Norm hits | Decision | Variables | Mean decrease Gini |
PU2 | 16.35 | 16.25 | 15.01 | 17.72 | 1.00 | Confirmed | PU2 | 11.29 |
PU4 | 16.34 | 16.39 | 14.53 | 17.62 | 1.00 | Confirmed | PU4 | 10.98 |
PU1 | 13.23 | 13.21 | 11.50 | 15.33 | 1.00 | Confirmed | SN3 | 10.51 |
SN4 | 13.06 | 12.97 | 11.56 | 14.55 | 1.00 | Confirmed | PU3 | 10.39 |
TR2 | 12.67 | 12.78 | 10.72 | 13.89 | 1.00 | Confirmed | PENJ1 | 9.88 |
PU3 | 12.50 | 12.49 | 10.84 | 14.26 | 1.00 | Confirmed | SN4 | 9.66 |
SN3 | 12.50 | 12.44 | 10.97 | 14.53 | 1.00 | Confirmed | SN2 | 8.87 |
PENJ2 | 12.31 | 12.20 | 10.98 | 14.10 | 1.00 | Confirmed | PU1 | 8.85 |
TR5 | 11.77 | 11.70 | 10.18 | 13.33 | 1.00 | Confirmed | PENJ2 | 8.72 |
PENJ3 | 11.76 | 11.77 | 10.29 | 13.13 | 1.00 | Confirmed | TR2 | 8.23 |
PENJ1 | 11.44 | 11.43 | 9.93 | 12.73 | 1.00 | Confirmed | TR5 | 8.03 |
TR3 | 10.98 | 11.00 | 9.23 | 12.40 | 1.00 | Confirmed | PENJ3 | 7.37 |
SN2 | 10.73 | 10.72 | 9.22 | 12.43 | 1.00 | Confirmed | PII1 | 7.31 |
PII1 | 10.53 | 10.50 | 8.62 | 12.41 | 1.00 | Confirmed | QUAL3 | 6.91 |
QUAL3 | 10.15 | 10.15 | 7.83 | 11.91 | 1.00 | Confirmed | QUAL2 | 6.68 |
PII2 | 10.01 | 10.08 | 8.16 | 11.42 | 1.00 | Confirmed | TR3 | 6.65 |
TR4 | 9.89 | 9.90 | 8.58 | 11.31 | 1.00 | Confirmed | SN1 | 6.59 |
QUAL2 | 9.74 | 9.81 | 7.06 | 11.84 | 1.00 | Confirmed | TR4 | 6.56 |
SN1 | 8.90 | 8.90 | 7.33 | 11.38 | 1.00 | Confirmed | PII2 | 6.13 |
QUAL7 | 7.55 | 7.55 | 5.40 | 9.39 | 1.00 | Confirmed | QUAL4 | 5.85 |
PII3 | 7.50 | 7.54 | 5.15 | 9.44 | 0.99 | Confirmed | AGE | 5.76 |
QUAL4 | 7.46 | 7.40 | 5.74 | 9.00 | 1.00 | Confirmed | QUAL7 | 5.55 |
TR1 | 7.18 | 7.21 | 5.57 | 9.00 | 1.00 | Confirmed | TR1 | 5.33 |
PII4 | 6.86 | 6.84 | 5.49 | 8.37 | 0.99 | Confirmed | PEOU1 | 5.01 |
PEOU1 | 6.21 | 6.20 | 3.64 | 8.35 | 0.98 | Confirmed | PII3 | 4.69 |
QUAL6 | 4.92 | 4.87 | 3.03 | 7.41 | 0.94 | Confirmed | PR4 | 4.66 |
PR1 | 4.91 | 4.89 | 2.62 | 6.71 | 0.90 | Confirmed | PII4 | 4.55 |
QUAL5 | 4.84 | 4.89 | 2.72 | 6.70 | 0.94 | Confirmed | PR1 | 4.44 |
PR4 | 4.74 | 4.80 | 2.37 | 6.81 | 0.91 | Confirmed | PR2 | 4.30 |
PR2 | 4.54 | 4.59 | 1.81 | 6.60 | 0.90 | Confirmed | QUAL6 | 4.20 |
PEOU4 | 4.24 | 4.11 | 2.32 | 6.11 | 0.85 | Confirmed | PR3 | 4.13 |
QUAL1 | 4.22 | 4.23 | 2.23 | 5.85 | 0.87 | Confirmed | QUAL1 | 4.06 |
PEOU2 | 3.98 | 3.92 | 1.34 | 6.36 | 0.82 | Confirmed | QUAL5 | 4.02 |
LOY1 | 3.94 | 3.94 | 1.43 | 6.88 | 0.80 | Confirmed | PEOU4 | 3.96 |
PEOU5 | 3.86 | 3.97 | 1.00 | 6.17 | 0.76 | Confirmed | LOY1 | 3.94 |
PR3 | 3.46 | 3.41 | − 0.04 | 5.35 | 0.68 | Confirmed | LOY4 | 3.92 |
LOY4 | 3.05 | 3.14 | − 0.05 | 5.28 | 0.57 | Tentative | PEOU2 | 3.79 |
LOY3 | 2.97 | 2.97 | 1.08 | 4.83 | 0.57 | Tentative | PEOU5 | 3.69 |
LOY2 | 2.86 | 2.88 | 0.63 | 5.16 | 0.52 | Tentative | LOY3 | 3.67 |
AGE | − 0.61 | − 0.71 | − 1.45 | 0.90 | 0.00 | Rejected | LOY2 | 3.60 |
GENDER | − 0.63 | − 0.96 | − 2.29 | 2.50 | 0.00 | Rejected | GENERO | 1.71 |
PEOU3 | − 1.04 | − 1.05 | − 2.18 | 1.10 | 0.00 | Rejected | PEOU3 | 0.24 |