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Production index GRD calculation results.
| GRD (ζi(k)) | The length of the tibia | Body weight |
|---|---|---|
| CO2 | 0.7446 | 0.7151 |
| NH3 | 0.7565 | 0.7882 |
| H2S | 0.3907 | 0.4359 |
| PM2.5 | 0.6442 | 0.5745 |
| PM10 | 0.6187 | 0.5769 |
| Temperature | 0.7796 | 0.6907 |
| Humidity | 0.7763 | 0.7445 |
| Wind speed | 0.6755 | 0.6419 |
| Illuminance | 0.6684 | 0.6847 |
| Outdoor temperature | 0.7852 | 0.7243 |
| Outdoor humidity | 0.7142 | 0.6743 |
| Outdoor wind speed | 0.8309 | 0.8025 |
| Outdoor illuminance | 0.6476 | 0.6545 |
