旱区城市扩展过程区位因素研究——以中国呼包鄂榆城市群为例
宋世雄, 张金茜, 刘志锋, 何春阳

Study on the location factors of urban expansion in the drylands: A case study in the Hohhot-Baotou-Ordos-Yulin Urban Agglomeration, China
SONG Shi-xiong, ZHANG Jin-xi, LIU Zhi-feng, HE Chun-yang
图3 随机森林结构
Fig. 3 The structure of random forest