Research Article
Selection of Machine Learning Models for Oil Price Forecasting: Based on the Dual Attributes of Oil
Table 1
Characteristic values and variance contribution rate.
| Principal component | Characteristic values | Variance contribution rate (%) | Accumulated variance contribution rate (%) |
| 1 | 2.474 | 35.339 | 35.339 | 2 | 1.782 | 25.458 | 60.797 | 3 | 1.729 | 24.696 | 85.493 |
|
|