多重分形趋势互 分析法（MF-DCCA）方法可以用来量化这种交叉相关，例如 MF-选区基于趋势波动分析方法（MF-X-DFA）(The multifractal trend analysis of each method (MF-DCCA) method can be used to quantify this cross-correlation, such as MF-constituency based on detrended fluctuation analysis (MF-X-DFA)