1. Bradley P, Mangasarian O (1998) Feature selection via concave minimization and support vector machines. In: Shavlik J (ed) Machine learning ICML. Morgan Kaufmann, Sn Fco, CA, pp 82–90
2. Hu C, Du S, Su J et al (2016) Discussion on the ways of purchasing and selling electricity and the mode of operation in China’s electricity sales companies under the background of new electric power reform. Power Netw Technol 40(11):3293–3299
3. Xue Y, Lai Y (2016) The integration of great energy thinking and big datas thinking: big data and electricity big data. Power Syst Autom 40(1):1–8
4. Wang Y, Chen Q, Kang C et al (2017) Clustering of electricity consumption behaviour dynamics toward big data applications. IEEE Trans Smart Grid 7(5):2437–2447
5. Liu R, Feng G, Ding W (2011) Statistical analysis and application of SAS. China Machine Press, China