A Fast Independent Component Analysis Algorithm for Geochemical Anomaly Detection and Its Application to Soil Geochemistry Data Processing

Table 1

Parameters of soil geochemical elements in the given area of Qinghai.

Element	Sample number	Min	Max	Mean	StDev	Skew	Kurtosis
Au	3307	0.2	410.0	7.508	18.6540	9.530	130.097
Pb	3307	2.3	1331.0	17.398	33.5077	24.929	813.833
Zn	3307	20.0	184	66.86	18.615	1.137	2.324
Cu	3307	4.3	89.6	24.959	9.8264	1.481	4.340
As	3307	2.0	1623.0	40.898	65.6605	8.318	130.047
Sb	3307	0.2	134.00	2.0290	3.26852	22.701	826.105