Research Article

The Prediction of Diatom Abundance by Comparison of Various Machine Learning Methods

Table 1

Characteristics of variables.

CharacteristicVariable TypeDescriptionsMeanSDMinimumMaximum

DiaResponseDiatom Abundance4735.4535194.0280.00042453.000
pHExplanatory VariablepH value8.1830.493)7.2009.600
DOExplanatory VariableDissolved Oxygen11.0702.2656.50015.500
BODExplanatory VariableBiochemical Oxygen Demand2.3170.8820.9004.800
CODExplanatory VariableChemical Oxygen Demand6.2831.0774.10010.700
SuspExplanatory VariableSuspended solid9.4945.5862.20044.300
TNExplanatory VariableTotal Nitrogen2.8260.7961.3615.483
TPExplanatory VariableTotal Phosphorus0.0530.0260.0150.174
TOCExplanatory VariableTotal Organic Carbon3.9250.797)2.6007.600
TempExplanatory VariableWater Temperature16.3828.6572.60034.300
NH3-NExplanatory VariableAmmonia Nitrogen0.0800.0620.0080.378
NO3-NExplanatory VariableNitric Nitrogen2.0210.6900.6504.003
PO4-PExplanatory VariablePhosphorate Phosphorus0.0090.0150.0000.092