Talk:Qualitative variation
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McIntosh's D
[edit]In the formula shown in the numerator it has the square root of the sum of all the counts (n_i). If I'm not mistaken this should be then the same again as N, making the numerator and denominator always equal.
I couldn't find the source for this measure and also non is listed. So difficult to understand what it actually should be. Stikpet (talk) 14:54, 25 June 2023 (UTC)
- McIntosh RP (1967). An Index of Diversity and the Relation of Certain Concepts to Diversity. Ecology, 48(3), 392–404 — Preceding unsigned comment added by 213.79.49.247 (talk) 12:37, 10 June 2025 (UTC)