Shmueli, Galit; Jank, Wolfgang; Hyde, Valerie - In: Computational Statistics & Data Analysis 52 (2008) 8, pp. 4000-4020
Semi-continuous data arise in many applications where naturally-continuous data become contaminated by the data generating mechanism. The resulting data contain several values that are "too frequent", and in that sense are a hybrid between discrete and continuous data. The main problem is that...