Add simple stats section to the Croissant 1.1 spec.

[benjelloun]

No description provided.

[github-actions]

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[kulnor]

@benjelloun To make it clear that both the short and long version of the "dataType" is supported at the Field level, I would add a couple of entries as shown below (min and max).

Could you add an inline comment to the JSON (or you need this to be valid JSON?). YAML could be a better way make this human readable.

You may also add a link and recommend the use of the DDI Controlled Vocabulary.

          "annotation": [
            {
              "@id": "person/age/min",
              "value": 16,
              "dataType": "ddi-stats:a1d0ec6"
            },
            {
              "@id": "person/age/max",
              "value": 75,
              "dataType": "ddi-stats:8321e79"
            },
            {
              "@id": "person/age/mean",
              "value": 42.51,
              "dataType": {
                "@type": "sc:DefinedTerm",
                "termCode": "ArithmeticMean",
                "name": "Arithmetic Mean",
                "@id": "ddi-stats:7975ed0",
                "inDefinedTermSet": "http://rdf-vocabulary.ddialliance.org/cv/SummaryStatisticType/2.1.2/"
              }
            }
           ] 

[ccl-core]

references?