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

Table 2

Characteristics of various water quality variables.

algal bloom		Presence(n=90)	Absence(n=91)	P-value
variables		Mean(S.E)	Mean(S.E)
Diatom; Criteria: 3519	pH	8.291(0.0491)	8.076(0.0523)	0.005
	DO	11.738(0.2160)	10.410(0.2395)	<0.001
	BOD	2.501(0.0889)	2.135(0.0928)	0.01
	COD	6.276(0.1123)	6.291(0.1148)	0.8055
	Susp	9.457(0.4236)	9.532(0.7144)	0.8388
	TN	2.987(0.0931)	2.667(0.0700)	0.0074
	TP	0.050(0.0019)	0.056(0.0032)	0.0857
	TOC	3.839(0.0797)	4.011(0.0871)	0.1406
	Temp	15.604(0.8659)	17.152(0.9490)	<0.001
	NH3-N	0.065(0.0056)	0.096(0.0070)	<0.001
	NO3-N	2.153(0.0765)	1.891(0.0661)	0.01
	PO4-P	0.005(0.0009)	0.013(0.0020)	<0.001