Figure 2. Raw data of New Delhi Daily mean Lifted Index in blue dotted curve and Sum of First five RCC of SSA in thick red colour. The values on y-axis are (0, 10, 20 and 30) along positive and (-10, -20 and -30) along negative side and the values on x-axis are integers in days.

From

Study of Annual and Semiannual Amplitudes over India from FFT Spectra of Atmospheric Lifted Index Using Singular Spectrum Analysis (SSA)

Talat Parveen, Shaik Abdul Muneer, Rehman. M.K, Aleem Basha. H

Applied Ecology and Environmental Sciences. 2022, 10(4), 174-183 doi:10.12691/aees-10-4-1