Improving the accuracy of estimators for the two-point correlation function

Open Access

Fig. 5.

Two-point correlation function calculated for a simulated galaxy cluster sample. The exact Ξ is compared to standard ξ_LS with N_r = 10⁴ and N_r = 10⁵ random points, and to the new using N_2x3d = 10⁴ = N_sh points from a randomised Halton sequence.

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