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                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V223",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V224",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V225",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V226",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V227",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V228",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V229",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V230",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V231",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V232",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V233",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V234",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V235",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V236",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V237",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V238",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V239",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V240",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V241",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V242",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V243",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V244",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V245",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V246",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V247",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V248",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V249",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V250",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V251",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V252",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V253",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V254",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V255",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "V256",
                  "type": "number",
                  "format": "default"
               },
               {
                  "name": "Class",
                  "type": "number",
                  "format": "default"
               }
            ],
            "missingValues": [
               ""
            ]
         }
      }
   ],
   "readme": "The resources for this dataset can be found at https://www.openml.org/d/1501\n\nAuthor: Semeion Research Center of Sciences of Communication     \nSource: [UCI](http://archive.ics.uci.edu/ml/datasets/semeion+handwritten+digit)     \nPlease cite: Semeion Research Center of Sciences of Communication, via Sersale 117, 00128 Rome, Italy \nTattile Via Gaetano Donizetti, 1-3-5,25030 Mairano (Brescia), Italy.    \n\n### Dataset Description\n\nSemeion Handwritten Digit Data Set, where 1593 handwritten digits from around 80 persons were scanned and documented. The each of the 256 variables V1 - V256 describe one of the pixels and their corresponding values. \n\n### Sources\n\nThe dataset was created by Tactile Srl, Brescia, Italy (http://www.tattile.it) and donated in 1994 to Semeion Research Center of Sciences of Communication, Rome, Italy (http://www.semeion.it), for machine learning research. \n\nFor any questions, e-mail Massimo Buscema (m.buscema '@' semeion.it) or Stefano Terzi (s.terzi '@' semeion.it)\n\n### DataSet Information\n\nA total of 1593 handwritten digits from around 80 persons were scanned, stretched in a rectangular box 16x16 in a gray scale of 256 values. Then each pixel of each image was scaled into a boolean (1/0) value using a fixed threshold. \n\nEach person wrote in a paper all the digits from 0 to 9, twice. The commitment was to write the digit the first time in the normal way (trying to write each digit accurately) and the second time in a fast way (with no accuracy). \n\nThe best validation protocol for this dataset seems to be a 5x2CV, 50% Tune (Train +Test) and completely blind 50% Validation\n\n### Attribute Information\n\nThis dataset consists of 1593 records (rows) and 256 attributes (columns). \nEach record represents a handwritten digit, originally scanned with a resolution of 256 grays scale (28). \nEach pixel of the each original scanned image was first stretched, and after scaled between 0 and 1 (setting to 0 every pixel whose value was under the value 127 of the grey scale (127 included) and setting to 1 each pixel whose original value in the grey scale was over 127). \nFinally, each binary image was scaled again into a 16x16 square box (the final 256 binary attributes).\n\n### Relevant Papers\n\nM Buscema, MetaNet: The Theory of Independent Judges, in Substance Use & Misuse 33(2)1998, pp 439-461.",
   "description": "The resources for this dataset can be found at https://www.openml.org/d/1501\n\nAuthor: Semeion Resear",
   "licenses": [
      {
         "name": "ODC-PDDL",
         "path": "http://opendatacommons.org/licenses/pddl/",
         "title": "Open Data Commons Public Domain Dedication and License"
      }
   ]
}