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I am using ArcMap 10.5. I have a table of species list length from visits to sites over a period of years. I have a column for site, giving the grid reference of each site, and a column giving the number of species recorded on that visit. I want to create a frequency table that tells me how many visits where 2 or more species were recorded were made to each site.

Essentially I want to run the 'Frequency' tool on the 'site' field, but only calculate frequency for the rows where the 'species' field is >= 2.

How can I do this?

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    Have you tried select by attributes rows with >=2 species then run frequency tool.
    – BERA
    Mar 13, 2020 at 14:05
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    Embarrassed not to have thought of that! Thanks!
    – Yusef_S
    Mar 13, 2020 at 14:36

1 Answer 1

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Select by attribues rows >=2 species then run frequency tool. Only selected rows will be included.

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