DFA法是检验非平稳时间序列长期相关性的有效方法, 但当时间序列包含高阶趋势时, DFA方法在较 小标度上会产生偏差。-Detrended fluctuation analysis

用于对股市、金融数据波动趋势的判断与分析。-For the stock market, financial data, and analysis to determine the fluctuation trends.

DFA是一种分析去趋势波动分析方法的matlab程序，被广泛用来作为理论基础。-DFA is a detrended fluctuation analysis to analyze the matlab program, is widely used as a theoretical basis.