Bankruptcy is one of the most important entrepreneurial problems studied by financial theory. Despite this great effort, there is not a significant progress in order to predict the economic failure. In this way, the evidence suggests that this problem, related to the experimental design, is...

Among alignment-free methods for sequence comparison, the model of k-word frequencies is a well-developed one. However, most existing word-based methods neglect relationships among k-word frequencies, while a few others focus on the correlation of k-words but ignore the word frequency itself. In...