Yamano, Takuya; Sato, Kodai; Kaizoji, Taisei; Rost, … - In: Computational Statistics & Data Analysis 53 (2008) 2, pp. 486-495
Symbolic analysis of economic indicators and derived time series offers an advantage of transferring quantitative values into qualitative notions by indexing intervals of numerical data with symbols. While differences in the numerical indicators are routinely measured by subtraction, differences...