Characterization and Classification of Daily Electricity Consumption Profiles: Shape Factors and k-Means Clustering TechniqueMora-Alvarez Milton, Contreras-Ortiz Pedro, Serrano-Guerrero Xavier and Escrivá-Escriva GuillermoE3S Web Conf., 64 (2018) 08004DOI: https://doi.org/10.1051/e3sconf/20186408004