Table 2 LDA accuracy and division method for the age variable.

From: Predictive approach of health indicators from the physical activity habits of active youth

  

TEST 20% n = 449

TRAIN 80% n = 1806

Predicted

Predicted

 

Age group

6

10

14

 

6

10

14

 

Original (%)

6

87.3

12.7

0

n = 166

88.14

11.86

0

n = 666

10

12

83.3

4.6

n = 216

11.65

79.98

8.37

n = 824

14

1.5

14.9

83.6

n = 67

0.32

34.18

65.51

n = 316

  

n = 172

n = 211

n = 66

Cases correctly classified = 82.4%

n = 684

n = 846

n = 276

Cases correctly classified = 81%

  1. Marginal row results based on the percentage of success classification. Age group is refered to 6–9, 10–13, 14–17 years age group.