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EURASIP Journal on Advances in Signal Processing

Table 3 Correlation analysis

From: Prediction modeling of cigarette ventilation rate based on genetic algorithm backpropagation (GABP) neural network

Index

Weight (g)

Circumference (mm)

Length (mm)

Hardness (mm)

Filter air permeability (%)

Open resistance (Pa)

Total ventilation rate (%)

Weight

1.000

      

Circumference

0.417**

1.000

     

Length

0.011

 − 0.072*

1.000

    

Hardness

0.498**

0.162**

0.073*

1.000

   

Filter air permeability

0.268**

0.102**

0.041

0.184**

1.000

  

Open resistance

0.519**

0.224**

0.073*

0.325**

 − 0.048

1.000

 

Total ventilation rate

0.565**

0.265**

0.073*

0.342**

0.838**

0.25**

1.000

  1. * and **, respectively, represent a significant correlation at the p < 0.05 level and an extremely significant correlation at the p < 0.01 level
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