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Andrew DeCarlo

Andrew DeCarlo

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  • In this example we will create a tabulation and retrieve it along with its metadata. We will assume that we have a collection named "test" and a view named "view" with a variable named "var" that has the values 1, 2, and 3. In this example we will run a tabulation that will count the frequencies of each of these values that could be used to create a chart.

  • Running the tabulation would normally look something like this:

    Code Block
    titleTabulation
    http://{host}/rds/test/view/tabulate?dims=var&metadata
    Code Block
    titleTabulation Output
     {
    "metadata": {
        "variables": {
            "resources": [
                {
                    "id": "var",
                    "name": "My numeric variable",Variable",
                    "index": 5,
                    "storageType": "NUMERIC",
                    "displayType": "NUMERIC",
                    "width": 1
                },
                {
                    "id": "count",
                    "name": "count",
                    "storageType": "NUMERIC",
                    "displayType": "NUMERIC"
                }
            ],
            "info": {
                "offset": 0,
                "more": false,
                "count": 2
            }
        }
    },
    "records": [
        [
            1,
            182
        ],
        [
            2,
            354
        ],
        [
            3,
            126
        ]
    ],
    "info": {
        "colCount": 2,
        "format": "MTNA",
        "includeMetadata": true,
        "limit": 20,
        "offset": 0,
        "moreRows": false
    }
}

  • If there is a classification for the variable, the classification with its code and categories will also be returned. 

    Code Block
    titleTabulation With Classification
     {
    "metadata": {
        "variables": {
            "resources": [
                {
                    "id": "var",
                    "name": "Variable",
                    "index": 5,
                    "storageType": "NUMERIC",
                    "displayType": "NUMERIC",
                    "width": 1,
                    "classification": "varClassification"
                },
                {
                    "id": "count",
                    "name": "count",
                    "storageType": "NUMERIC",
                    "displayType": "NUMERIC"
                }
            ],
            "info": {
                "offset": 0,
                "more": false,
                "count": 2
            }
        },
        "classifications": {
            "resources": [
                {
                    "id": "varClassification",
                    "codes": {
                        "resources": [
                            {
                                "value": "1",
                                "label": "METROPOLITAN AREA"
                            },
                            {
                                "value": "2",
                                "label": "TOWN OR CITY"
                            },
                            {
                                "value": "3",
                                "label": "OPEN COUNTRY"
                            }
                        ],
                        "info": {
                            "codeLimit": 100,
                            "codeOffset": 0,
                            "count": 3,
                            "moreCodes": false
                        }
                    }
                }
            ],
            "info": {
                "limit": 100,
                "offset": 0,
                "codeLimit": 100,
                "codeOffset": 0,
                "more": false,
                "count": 1
            }
        }
    },
    "records": [
        [
            1,
            182
        ],
        [
            2,
            354
        ],
        [
            3,
            126
        ]
    ],
    "info": {
        "colCount": 2,
        "format": "MTNA",
        "includeMetadata": true,
        "limit": 20,
        "offset": 0,
        "moreRows": false
    }
}