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Table 1 Results of Spearman’s coefficient of rank correlation for time-lag effects, coefficient value, importance of independent variables

From: The time series seasonal patterns of dengue fever and associated weather variables in Bangkok (2003-2017)

Climate variable

Time-Lag

MPR

ANN

  

Correlation

Coefficient

Importance

Normalized

   

(× 10−3)

 

Importance (%)

Relative Humidity (%)

0

0.224

NA

0.228

68.1

 

1

0.380**

9.167

0.069

68.1

 

2

0.388**

1.735

0.093

91.6

 

3

0.268**

-1.168

0.056

54.8

Rainfall (mm)

0

0.125

NA

0.162

82.8

 

1

0.373**

1.333

0.087

85.9

 

2

0.396**

0.651

0.102

100

 

3

0.245*

0.200

0.083

81.7

Temperature (C ∘)

0

-0.150

NA

-0.096

62.2

 

1

-0.077

-71.801

0.069

68.3

 

2

0.144

11.606

0.079

77.9

 

3

0.271*

5.869

0.059

58.2

  1. The correlation of variables with intercept 1.11 × 10−3 and coefficient for previous case is 0.443 × 10−3. Spearman rank correlation and Pearson correlation analyses were performed with temperature and rainfall respectively.
  2. *: p-value < 0.05, **: p-value < 0.01