Data-Driven Methodology for the Prediction of Fluid Flow in Ultrasonic Production Logging Data Processing

Table 4

Results of PCA for water cut.

Component	Eigenvalue	Variance contribution rate/%	Cumulative variance contribution rate/%
1	6.09	87.002	87.002
2	0.675	9.639	96.641
3	0.18	2.565	99.207
4	0.035	0.502	99.709
5	0.013	0.19	99.899
6	0.005	0.072	99.971
7	0.002	0.029	100