Data Analysis and Knowledge Mining of Machine Learning in Soil Corrosion Factors of the Pipeline Safety

Table 3

The discretization table of soil corrosion factors in the pipe section of loam area.

Serial number	Soil resistivity ()	Reddox potential (mV)	Chloride ion content (%)	Sulfuric acid root ion content (%)	Water content (%)	pH value	Soil corrosion grade
1	2	2	2	2	2	2	3
2	2	2	2	2	4	2	2
3	2	2	2	2	3	2	2
4	3	2	2	2	3	2	3
5	3	2	2	2	4	2	3
6	2	2	2	2	3	2	3
7	3	2	2	2	3	2	3
8	2	1	2	2	4	2	2
9	2	3	2	2	4	2	3
10	2	2	2	2	4	2	2
11	3	1	2	2	3	2	3
12	3	2	2	2	3	2	3
13	3	3	2	2	4	2	3
14	3	2	1	2	3	2	3
15	2	3	2	2	4	2	3
16	2	2	2	2	2	2	2
17	2	2	2	2	4	2	2
18	3	1	2	2	3	2	3
19	2	2	2	2	2	2	2
20	2	2	2	2	2	2	2