Skip to Main Content

Table 3 provides the final estimates of the parameters. Each of the estimated model coefficients is shown together with a t-test. Since the p-values associated with the coefficients are less than 0.05, the coefficients are significantly different from 0 at the 5% significance level.

Table 3

Parameter estimates

ParameterModelModel parameterEstimateStd. ErrortP-value
Turbidity ARIMA (3,1,0) AR (1) − 0.232335 0.0886801 − 2.61993 0.009961 
 AR (2) − 0.250073 0.0880416 − 2.8404 0.005316 
 AR (3) − 0.261968 0.089041 − 2.9421 0.003931 
 Mean 0.00133828 0.00913336 0.146527 0.883758 
 Constant 0.00233447    
pH ARIMA (1,1,1) AR (1) 0.610754 0.098874 6.17709 0.000000 
 MA (1) 0.937621 0.0471965 19.8663 0.000000 
 Mean − 0.00135921 0.00160166 − 0.848629 0.397806 
 Constant − 0.000529069    
ParameterModelModel parameterEstimateStd. ErrortP-value
Turbidity ARIMA (3,1,0) AR (1) − 0.232335 0.0886801 − 2.61993 0.009961 
 AR (2) − 0.250073 0.0880416 − 2.8404 0.005316 
 AR (3) − 0.261968 0.089041 − 2.9421 0.003931 
 Mean 0.00133828 0.00913336 0.146527 0.883758 
 Constant 0.00233447    
pH ARIMA (1,1,1) AR (1) 0.610754 0.098874 6.17709 0.000000 
 MA (1) 0.937621 0.0471965 19.8663 0.000000 
 Mean − 0.00135921 0.00160166 − 0.848629 0.397806 
 Constant − 0.000529069    

Close Modal

or Create an Account

Close Modal
Close Modal