Wavelet analysis of long-range-dependent traffic
IEEE Transactions on Information Theory
A two-sample test for comparison of long memory parameters
Journal of Multivariate Analysis
Journal of Multivariate Analysis
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We introduce a new statistic written as a sum of certain ratios of second-order increments of partial sums process S"n=@?"t"="1^nX"t of observations, which we call the increment ratio (IR) statistic. The IR statistic can be used for testing nonparametric hypotheses for d-integrated (-12~. For Gaussian observations X"t, we obtain a rate of decay of the bias EIR-@L(d) and a central limit theorem (N/m)^1^/^2(IR-EIR)-N(0,@s^2(d)), in the region -12