Table 5 Results of statistical analysis (p-values)

Logistic Regression

2.52 × 10^− 08

1.85 × 10⁻⁰⁹

5.48 × 10^− 09

5.87 × 10⁻¹⁰

1.46 × 10^− 09

Decision Tree

1.80 × 10^− 04

1.51 × 10^− 04

6.99 × 10^− 06

1.92 × 10^− 06

1.16 × 10^− 05

KNN

8.08 × 10^− 05

6.22 × 10^− 05

1.40 × 10 ^− 03

8.50 × 10^− 05

1.29 × 10 ^− 04

SVM

1.17 × 10^− 08

4.61 × 10^− 08

1.74 × 10^− 04

7.89 × 10^− 07

5.02 × 10^− 06

BoW + Logistic Regr.

4.26 × 10 ^− 04

2.22 × 10 ^− 04

1.79 × 10^− 04

9.85 × 10 ^− 05

2.12 × 10^− 05