10.1371/journal.pone.0099793.g003 Meng Hu Meng Hu Hualou Liang Hualou Liang Statistical significance of first six IMFs for synthetic time series [X Y Z] by MEMD based on the method in [12]. Public Library of Science 2014 Computational biology computational neuroscience Circuit models neuroscience Mathematical and statistical techniques Multivariate data analysis Simulation and modeling mathematical modeling imfs synthetic memd 2014-06-16 03:31:01 Figure https://plos.figshare.com/articles/figure/_Statistical_significance_of_first_six_IMFs_for_synthetic_time_series_X_Y_Z_by_MEMD_based_on_the_method_in_12_/1058892 <p>In each panel, the energy of IMFs is plotted as a function of the logarithm of period, where the two dotted curves indicate 95% confidence intervals, corresponding to the upper and lower boundaries of the energy spread function, and each symbol ‘*’ refers to an IMF. The false identifications frequently occur in all three channels, e.g. all IMFs are identified significant in three channels.</p>