Class 1

Class 2

Class 3

Wald

p-value

Intercept

2.1939

0.5510

−10.1811

144.7279

3.6e−31***

History_review

−0.0085

0.0051

0.0292

129.2253

7.9e−28***

Star_rating

−0.8576

−1.1759

0.5357

900.4561

7.0e−195***

Image

1.5356

1.5098

5.6904

345.0955

1.7e−74***

Length

0.0049

0.0028

0.0082

371.5328

3.2e−80***

Day_elapse

−0.0019

0.0027

0.0027

321.3388

2.4e−69***

Sentiment_score

0.0304

−0.0198

−0.1030

31.1732

7.8e−7***

Readability

−0.0013

0.0043

0.0086

50.2403

7.1e−11***

R^2

0.9304

0.9057

0.9691