Table 7 Provincial K-means clustering results for the technology gap ratio (TGR) of hydropower in China’s three regions
From: Energy efficiency in China: optimization and comparison between hydropower and thermal power
DMU | K-means clustering |
|---|---|
Eastern region | |
Beijing | 1 |
Hebei | 1 |
Liaoning | 1 |
Jiangsu | 1 |
Zhejiang | 2 |
Fujian | 2 |
Shandong | 1 |
Guangdong | 1 |
Hainan | 1 |
Central region | |
Shanxi | 1 |
Inner Mongolia | 1 |
Jilin | 1 |
Heilongjiang | 1 |
Anhui | 1 |
Jiangxi | 1 |
Henan | 1 |
Hubei | 2 |
Hunan | 1 |
Guangxi | 1 |
Western region | |
Chongqing | 1 |
Sichuan | 1 |
Guizhou | 1 |
Yunnan | 1 |
Shaanxi | 1 |
Gansu | 1 |
Qinghai | 1 |
Ningxia | 1 |
Xinjiang | 1 |