Independent Subspace Analysis of the Sea Surface Temperature Variability: Non-Gaussian Sources and Sensitivity to Sampling and Dimensionality

Figure 1

(a) Contour plot of as a function of , for a fixed dimension . (b) Ratio for the confidence level , as a function of the dimension and the lag-one autocorrelation for a sample size . The ratio increases with decreasing or increasing .

(a)

(b)