{
 "impute": [
                 { "name": "zipcode", "method": "global_mode" }
                ,{ "name": "district", "method": "constant", "value": "south" }
                ,{ "name": "numbedrooms", "method": "constant", "value": "2" }
                ,{ "name": "numbathrooms", "method": "constant", "value": "1" }
                ,{ "name": "floors", "method": "constant", "value": "1" }
                ,{ "name": "view", "method": "global_mode" }
                ,{ "name": "askingprice", "method": "global_mean" }
], "recode": [ "district", "view" ] }