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Table 1

Results of the 31st nearest-neighbour distributions comparing the GRB groups (in the four group case).

zmin gr2 gr3 gr4

gr1 2.68 0.9999999 0.942 0.672

gr2 1.61 0.99904 0.9999988

gr3 0.85 0.960

Notes. Comparing the distributions of two groups for the 31st nearest-neighbour, the numbers in this table are the significance of the null hypothesis that the two distributions are different. Boldface type indicates that there are significant (more than 3σ) differences between the two groups.

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