Forecast Model of Urban Stagnant Water Based on Logistic Regression Pan Liu, Jian-Zhuo Yan, Miao-Wen Jiang, Mei Liu, Xiao-Lan Yin and Xiao-Juan Zhang ITM Web Conf., 11 (2017) 01008 Published online: 23 May 2017 DOI: 10.1051/itmconf/20171101008