src/test/scripts/functions/transform/input/iris/iris.tfspec.json

{
    "recode": [ "Species" ]
    
    ,"bin": [
                 { "name": "Petal.Length", "method": "equi-width", "numbins": 2 }
                ,{ "name": "Sepal.Length", "method": "equi-width", "numbins": 2 }
            ]

    ,"dummycode": [ "Species" ]
}