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Pearson's correlation coefficient suggests that effective spacing has a large positive correlation (r = 0.68) with the outcome, capture efficiency. Flow discharge has a negative correlation (r = −0.53) with capture efficiency, and runtime has a positive correlation (r = 0.49). All these results are statistically significant with P < 0.001 (see Table 3).

Table 3

Results using the LHS method for 10,000 data

Correlations
Capture efficiency (%)Runtime (min)Flow (L/s)Effective spacing (mm)
Pearson correlation Capture efficiency (%) 1.00 0.49 − 0.53 0.68 
Runtime (min) 0.49 1.00 0.01 0.01 
Flow (L/s) − 0.53 0.01 1.00 0.01 
Effective spacing (mm) 0.68 0.01 0.01 1.00 
Sig. (1-tailed) Capture efficiency (%)  0.00 0.00 0.00 
Runtime (min) 0.02  0.12 0.31 
Flow (L/s) 0.00 0.12  0.18 
Effective spacing (mm) 0.00 0.31 0.18  
Correlations
Capture efficiency (%)Runtime (min)Flow (L/s)Effective spacing (mm)
Pearson correlation Capture efficiency (%) 1.00 0.49 − 0.53 0.68 
Runtime (min) 0.49 1.00 0.01 0.01 
Flow (L/s) − 0.53 0.01 1.00 0.01 
Effective spacing (mm) 0.68 0.01 0.01 1.00 
Sig. (1-tailed) Capture efficiency (%)  0.00 0.00 0.00 
Runtime (min) 0.02  0.12 0.31 
Flow (L/s) 0.00 0.12  0.18 
Effective spacing (mm) 0.00 0.31 0.18  

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