Geovisualization Developer's Guide

max

When you use this function in a query, it filters for the highest value in the specified column in the specified dataset.

For more information on using query functions and operators in a REST API request, see Queries. For an end-to-end description of how to create a query, see Creating a Query.

The codeblock example below filters for the highest value entries in the Depth column of the earthquake dataset, whose <dataset_id> is 90af668484394fa782cc103409cafe39.

{
  "version": 0.3,
  "dataset": "90af668484394fa782cc103409cafe39",
  "namespace": {
    "maximum_value": {
      "source": ["Depth"],
      "apply": [{
        "fn": "max", 
        "type": "aggregate",
      }]
    }
  },  
  "metrics": ["maximum_value"],
}

When you submit the above request, the response includes an HTTP status code and a JSON response body.

For more information on the HTTP status codes, see HTTP Status Codes.

For more information on the elements in the JSON structure in the response body, see Query.

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