Research Article
Quantitative Analysis of a Weak Correlation between Complicated Data on the Basis of Principal Component Analysis
Table 1
The details of the example data of climate, altitude, and chemical compositions, respectively.
| No. | Data | Name | Description |
| 1 | X1 | Climate | The 14 climate factors include sunshine hours, temperature, altitude, precipitation, and so on | 2 | X2 | Altitude | The 4 altitude factors include minimum altitude, maximum altitude, average altitude, main altitude, and so on | 3 | Y1 | Chemicals | The 5 chemical indices include total sugar, reducing sugar, nicotine, potassium, and chlorine | 4 | D | Description | The 7 description information includes county, city, village committee, topography, soil type, and planting cycle year |
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Note: the number of objects of raw data is 171,516.
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