{
    "data_id": "565",
    "name": "water-treatment",
    "exact_name": "water-treatment",
    "version": 1,
    "version_label": null,
    "description": "**Author**:   \n**Source**: Unknown - Date unknown  \n**Please cite**:   \n\n1. Title: Faults in a urban waste water treatment plant\n\n2. Source Information:\n-- Creators: Manel Poch (igte2@cc.uab.es)\nUnitat d'Enginyeria Quimica\nUniversitat Autonoma de Barcelona. Bellaterra. Barcelona; Spain\n-- Donor: Javier Bejar and Ulises Cortes (bejar@lsi.upc.es)\nDept. Llenguatges i Sistemes Informatics;\nUniversitat Politecnica de Catalunya. Barcelona; Spain\n-- Date: June, 1993\n\n3. Past Usage:\n1. J. De Gracia.\n``Avaluacio de tecniques de classificacio per a la gestio de\nBioprocessos: Aplicacio a un reactor de fangs activats''\nMaster Thesis. Dept. de Quimica. Unitat d'Enginyeria Quimica.\nUniversitat Autonoma de Barcelona. Bellaterra (Barcelona). 1993.\n-- Results:\nComparison between the classification of plant situations using\ncluster analysis and conceptual clustering. The induced classes\nare exposed and contrasted.\n\n\n2. J. Bejar, U. Cort\\'es and M. Poch.\n``LINNEO+: A Classification Methodology for Ill-structured Domains''.\nResearch report RT-93-10-R. Dept. Llenguatges i Sistemes Informatics.\nBarcelona. 1993.\n-- Results:\nThe conceptual clustering algorithm used in the first reference\nis exposed. Some results are given about the use of a priori\nexpert knowledge to bias the classification process in the plant\ndomain.\n\n3.  Ll. Belanche, U. Cortes and M. S\\`anchez.\n``A knowledge-based system for the diagnosis of waste-water treatment\nplant''. Proceedings of the 5th international conference of industrial\nand engineering applications of AI and Expert Systems IEA\/AIE-92. Ed\nSpringer-Verlag. Paderborn, Germany, June 92.\n-- Results:\nExplanation of the waste water treatment plant diagnosis problems\nNot directly related to the dataset.\n\n\n\n4. Relevant Information:\n\nThis dataset comes from the daily measures of sensors in a urban waste\nwater treatment plant. The objective is to classify the operational\nstate of the plant in order to predict faults through the state\nvariables of the plant at each of the stages of the treatment process.\nThis domain has been stated as an ill-structured domain.\n\n\n5. Number of instances: 527\n\n6. Number of Attributes: 38\n\nThere are some missing values, all are unknown information.\n\n7. Attribute Information:\n\nAll atrributes are numeric and continuous\n\nN.  Attrib.\n1  Q-E        (input flow to plant)\n2  ZN-E       (input Zinc to plant)\n3  PH-E       (input pH to plant)\n4  DBO-E      (input Biological demand of oxygen to plant)\n5  DQO-E      (input chemical demand of oxygen to plant)\n6  SS-E       (input suspended solids to plant)\n7  SSV-E      (input volatile supended solids to plant)\n8  SED-E      (input sediments to plant)\n9  COND-E     (input conductivity to plant)\n10  PH-P       (input pH to primary settler)\n11  DBO-P      (input Biological demand of oxygen to primary settler)\n12  SS-P       (input suspended solids to primary settler)\n13  SSV-P      (input volatile supended solids to primary settler)\n14  SED-P      (input sediments to primary settler)\n15  COND-P     (input conductivity to primary settler)\n16  PH-D       (input pH to secondary settler)\n17  DBO-D      (input Biological demand of oxygen to secondary settler)\n18  DQO-D      (input chemical demand of oxygen to secondary settler)\n19  SS-D       (input suspended solids to secondary settler)\n20  SSV-D      (input volatile supended solids to secondary settler)\n21  SED-D      (input sediments to secondary settler)\n22  COND-D     (input conductivity to secondary settler)\n23  PH-S       (output pH)\n24  DBO-S      (output Biological demand of oxygen)\n25  DQO-S      (output chemical demand of oxygen)\n26  SS-S       (output suspended solids)\n27  SSV-S      (output volatile supended solids)\n28  SED-S      (output sediments)\n29  COND-S     (output conductivity)\n30  RD-DBO-P   (performance input Biological demand of oxygen in primary settler)\n31  RD-SS-P    (performance input suspended solids to primary settler)\n32  RD-SED-P   (performance input sediments to primary settler)\n33  RD-DBO-S   (performance input Biological demand of oxygen to secondary settler)\n34  RD-DQO-S   (performance input chemical demand of oxygen to secondary settler)\n35  RD-DBO-G   (global performance input Biological demand of oxygen)\n36  RD-DQO-G   (global performance input chemical demand of oxygen)\n37  RD-SS-G    (global performance input suspended solids)\n38  RD-SED-G   (global performance input sediments)\n\n\n-- Statistics:\n\nN.  Attrib.     min      max       mean      st-dev\n1  Q-E        10000    60081     37226.56  6571.46\n2  ZN-E           0.1     33.5       2.36     2.74\n3  PH-E           6.9      8.7       7.81     0.24\n4  DBO-E         31      438       188.71    60.69\n5  DQO-E         81      941       406.89   119.67\n6  SS-E          98     2008       227.44   135.81\n7  SSV-E         13.2     85.0      61.39    12.28\n8  SED-E          0.4     36         4.59     2.67\n9  COND-E       651     3230      1478.62   394.89\n10  PH-P           7.3      8.5       7.83     0.22\n11  DBO-P         32      517       206.20    71.92\n12  SS-P         104     1692       253.95   147.45\n13  SSV-P          7.1     93.5      60.37    12.26\n14  SED-P          1.0     46.0       5.03     3.27\n15  COND-P       646     3170      1496.03   402.58\n16  PH-D           7.1      8.4       7.81     0.19\n17  DBO-D         26      285       122.34    36.02\n18  DQO-D         80      511       274.04    73.48\n19  SS-D          49      244        94.22    23.94\n20  SSV-D         20.2    100        72.96    10.34\n21  SED-D          0.0      3.5       0.41     0.37\n22  COND-D        85     3690      1490.56   399.99\n23  PH-S           7.0      9.7       7.70     0.18\n24  DBO-S          3      320        19.98    17.20\n25  DQO-S          9      350        87.29    38.35\n26  SS-S           6      238        22.23    16.25\n27  SSV-S         29.2    100        80.15     9.00\n28  SED-S          0.0      3.5       0.03     0.19\n29  COND-S       683     3950      1494.81   387.53\n30  RD-DBO-P       0.6     79.1      39.08    13.89\n31  RD-SS-P        5.3     96.1      58.51    12.75\n32  RD-SED-P       7.7    100        90.55     8.71\n33  RD-DBO-S       8.2     94.7      83.44     8.4\n34  RD-DQO-S       1.4     96.8      67.67    11.61\n35  RD-DBO-G      19.6     97        89.01     6.78\n36  RD-DQO-G      19.2     98.1      77.85     8.67\n37  RD-SS-G       10.3     99.4      88.96     8.15\n38  RD-SED-G      36.4    100        99.08     4.32\n\n\n8. Missing Attribute Values:\n\nN. Attrib.   N. of Missings\n1  Q-E:\t18\n2  ZN-E:\t 3\n3  PH-E:\t 0\n4  DBO-E:\t23\n5  DQO-E:\t 6\n6  SS-E:\t 1\n7  SSV-E:\t11\n8  SED-E:\t25\n9  COND-E:\t 0\n10  PH-P:\t 0\n11  DBO-P:\t40\n12  SS-P:\t 0\n13  SSV-P:\t11\n14  SED-P:\t24\n15  COND-P:\t 0\n16  PH-D:\t 0\n17  DBO-D:\t28\n18  DQO-D:\t 9\n19  SS-D:\t 2\n20  SSV-D:\t13\n21  SED-D:\t25\n22  COND-D:\t 0\n23  PH-S:\t 1\n24  DBO-S:\t23\n25  DQO-S:\t18\n26  SS-S:\t 5\n27  SSV-S:      17\n28  SED-S:      28\n29  COND-S:\t 1\n30  RD-DBO-P:   62\n31  RD-SS-P:     4\n32  RD-SED-P:   27\n33  RD-DBO-S:   40\n34  RD-DQO-S:   26\n35  RD-DBO-G:   36\n36  RD-DQO-G:   25\n37  RD-SS-G:     8\n38  RD-SSED-G:  31\n\n\n9. Class Distribution\n\nThese are the classes induced by out conceptual clustering algorithm:\n\n-- Class 1: Normal situation\n\n- Objects (275 days):\n\nD-1\/3\/90 to  D-12\/3\/90, D-16\/3\/90 to D-30\/3\/90, D-1\/2\/90 to D-19\/2\/90, D-21\/2\/90 to D-28\/2\/90,\nD-1\/1\/90 to D-26\/1\/90, D-29\/1\/90 to D-31\/1\/90, D-1\/6\/90 to D-4\/6\/90, D-6\/6\/90 to D-8\/6\/90,\nD-24\/6\/90, D-25\/6\/90, D-28\/6\/90, D-29\/6\/90, D-1\/5\/90 to D-6\/5\/90, D-8\/5\/90 to D-20\/5\/90,\nD-24\/5\/90, D-25\/5\/90, D-29\/5\/90, D-1\/4\/90, D-4\/4\/90 to D-8\/4\/90, D-10\/4\/90 to D-20\/4\/90,\nD-27\/4\/90, D-2\/7\/90, D-4\/7\/90 to D-8\/7\/90, D-12\/7\/90 to D-15\/7\/90, D-19\/7\/90, D-23\/7\/90,\nD-26\/7\/90, D-4\/9\/90, D-5\/9\/90, D-23\/9\/90, D-28\/9\/90, D-30\/9\/90, D-17\/8\/90, D-21\/8\/90 to D-25\/8\/90,\nD-29\/8\/90, D-30\/8\/90, D-3\/12\/90, D-9\/12\/90, D-16\/12\/90 to D-20\/12\/90, D-23\/12\/90, D-24\/12\/90,\nD-27\/12\/90 to D-30\/12\/90,  D-6\/11\/90 to D-8\/11\/90, D-14\/11\/90, D-16\/11\/90, D-18\/11\/90,\nD-20\/11\/90, D-21\/11\/90, D-27\/11\/90, D-10\/10\/90, D-18\/10\/90, D-29\/10\/90, D-30\/10\/90,\nD-3\/3\/91 to D-6\/3\/91, D-10\/3\/91 to D-12\/3\/91, D-18\/3\/91, D-20\/3\/91, D-27\/3\/91, D-29\/3\/91,\nD-3\/2\/91, D-5\/2\/91, D-8\/2\/91, D-14\/2\/91, D-17\/2\/91, D-18\/2\/91, D-21\/2\/91 to D-24\/2\/91,\nD-1\/1\/91, D-2\/1\/91, D-6\/1\/91, D-8\/1\/91, D-10\/1\/91 to D-20\/1\/91, D-25\/1\/91, D-2\/5\/91, D-3\/5\/91,\nD-7\/5\/91, D-14\/5\/91, D-15\/5\/91, D-17\/5\/91, D-19\/5\/91, D-21\/5\/91 to D-23\/5\/91, D-1\/4\/91 to D-3\/4\/91,\nD-5\/4\/91 to D-12\/4\/91, D-15\/4\/91 to D-21\/4\/91, D-23\/4\/91, D-1\/7\/91, D-3\/7\/91, D-4\/7\/91, D-7\/7\/91,\nD-10\/7\/91 to D-12\/7\/91, D-15\/7\/91, D-16\/7\/91, D-22\/7\/91 to D-25\/7\/91, D-28\/7\/91, D-30\/7\/91, D-31\/7\/91,\nD-2\/6\/91 to D-4\/6\/91, D-6\/6\/91, D-7\/6\/91, D-13\/6\/91, D-16\/6\/91 to D-21\/6\/91, D-25\/6\/91 to D-30\/6\/91,\nD-4\/10\/91, D-6\/10\/91, D-17\/10\/91 to D-30\/10\/91, D-1\/8\/91, D-2\/8\/91, D-27\/8\/91, D-29\/8\/91.\n\n\n-- Class 2: Secondary settler problems-1\n\n- Objects (1 day): D-13\/3\/90\n\n-- Class 3: Secondary settler problems-2\n\n- Objects (1 day): D-14\/3\/90\n\n-- Class 4: Secondary settler problems-3\n\n- Objects (1 day): D-15\/3\/90, D-17\/7\/91 to D-19\/7\/91\n\n-- Class 5: Normal situation with performance over the mean\n\n- Objects (116 days):\n\nD-28\/1\/90, D-10\/6\/90 to D-22\/6\/90, D-26\/6\/90, D-27\/6\/90, D-7\/5\/90, D-21\/5\/90 to D-23\/5\/90,\nD-27\/5\/90, D-28\/5\/90, D-30\/5\/90, D-2\/4\/90, D-3\/4\/90, D-9\/4\/90, D-22\/4\/90 to D-26\/4\/90, D-1\/7\/90,\nD-3\/7\/90, D-9\/7\/90 to D-11\/7\/90, D-16\/7\/90 to D-18\/7\/90, D-20\/7\/90, D-22\/7\/90, D-24\/7\/90, D-25\/7\/90,\nD-27\/7\/90 to D-31\/7\/90, D-2\/9\/90, D-3\/9\/90, D-6\/9\/90 to D-13\/9\/90, D-16\/9\/90 to D-21\/9\/90,\nD-24\/9\/90 to D-27\/9\/90, D-1\/8\/90 to D-7\/8\/90, D-16\/8\/90, D-28\/8\/90, D-31\/8\/90, D-7\/12\/90,\nD-2\/11\/90, D-5\/11\/90, D-9\/11\/90, D-12\/11\/90, D-13\/11\/90, D-1\/10\/90 to D-5\/10\/90, D-24\/10\/90,\nD-25\/10\/90, D-1\/3\/91, D-8\/3\/91, D-17\/3\/91, D-26\/3\/91, D-31\/3\/91, D-9\/1\/91, D-10\/5\/91, D-16\/5\/91,\nD-20\/5\/91, D-29\/5\/91, D-30\/5\/91, D-14\/4\/91, D-22\/4\/91, D-24\/4\/91, D-25\/4\/91, D-5\/7\/91, D-8\/7\/91,\nD-9\/7\/91, D-21\/7\/91, D-26\/7\/91, D-5\/6\/91, D-10\/6\/91, D-12\/6\/91, D-14\/6\/91, D-2\/10\/91, D-8\/10\/91,\nD-9\/10\/91, D-11\/10\/91,D-13\/10\/91, D-16\/10\/91.\n\n-- Class 6: Solids overload-1\n\n- Objects (3 days):   D-5\/6\/90 D-28\/5\/91 D-31\/5\/91\n\n-- Class 7: Secondary settler problems-4\n\n- Objects (1 day): D-29\/4\/90\n\n-- Class 8: Storm-1\n\n- Objects (1 day): D-14\/9\/90\n\n-- Class 9: Normal situation with low influent\n\n- Objects (69 days):\n\nD-8\/8\/90 to D-10\/8\/90, D-13\/8\/90, D-15\/8\/90, D-19\/8\/90, D-20\/8\/90, D-27\/8\/90, D-1\/11\/90,\nD-4\/11\/90, D-11\/11\/90, D-19\/11\/90, D-7\/10\/90 to D-9\/10\/90, D-12\/10\/90 to D-17\/10\/90,\nD-21\/10\/90, D-23\/10\/90, D-26\/10\/90, D-28\/10\/90, D-7\/3\/91, D-24\/3\/91, D-25\/3\/91,\nD-1\/5\/91, D-5\/5\/91, D-8\/5\/91, D-9\/5\/91, D-12\/5\/91, D-13\/5\/91, D-26\/5\/91, D-27\/5\/91,\nD-26\/4\/91, D-28\/4\/91, D-29\/4\/91, D-2\/7\/91, D-14\/7\/91, D-29\/7\/91, D-9\/6\/91, D-24\/6\/91,\nD-1\/10\/91, D-3\/10\/91, D-5\/10\/91, D-12\/10\/91, D-15\/10\/91, D-4\/8\/91  D-9\/8\/91 to D-26\/8\/91,\nD-28\/8\/91, D-30\/8\/91.\n\n-- Class 10: Storm-2\n\n- Objects (1 day): D-12\/8\/90\n\n-- Class 11: Normal situation\n\n- Objects (53 days):\n\nD-2\/12\/90, D-4\/12\/90, D-6\/12\/90, D-10\/12\/90 to D-14\/12\/90 D-21\/12\/90, D-26\/12\/90,\nD-15\/11\/90, D-22\/11\/90 to D-26\/11\/90, D-28\/11\/90 to D-30\/11\/90, D-19\/10\/90,\nD-13\/3\/91 to D-15\/3\/91, D-19\/3\/91, D-21\/3\/91, D-22\/3\/91, D-1\/2\/91, D-4\/2\/91,\nD-6\/2\/91, D-7\/2\/91, D-10\/2\/91 to  D-13\/2\/91, D-15\/2\/91, D-19\/2\/91,\nD-25\/2\/91 to D-28\/2\/91, D-3\/1\/91, D-4\/1\/91, D-7\/1\/91, D-21\/1\/91 to D-24\/1\/91,\nD-27\/1\/91 to D-31\/1\/91, D-6\/5\/91, D-4\/4\/91.\n\n-- Class 12: Storm-3\n\n- Objects (1 day): D-22\/10\/90\n\n-- Class 13: Solids overload-2\n\n- Objects (1 day): D-24\/5\/91\n\n\n\n-- Comments to the data file:\n\nThe first element of each line is the day of the data,\nthe rest are the attribute values\n\n\n\n\nInformation about the dataset\nCLASSTYPE: numeric\nCLASSINDEX: none specific",
    "format": "ARFF",
    "uploader": "Joaquin Vanschoren",
    "uploader_id": 2,
    "visibility": "public",
    "creator": null,
    "contributor": null,
    "date": "2014-10-03 21:52:57",
    "update_comment": "set target feature",
    "last_update": "2014-10-07 02:03:46",
    "licence": "Public",
    "status": "active",
    "error_message": null,
    "url": "https:\/\/www.openml.org\/data\/download\/52743\/water-treatment.arff",
    "default_target_attribute": "RD-SED-G",
    "row_id_attribute": null,
    "ignore_attribute": "\"date\",\"Q-E\"",
    "runs": 0,
    "suggest": {
        "input": [
            "water-treatment",
            "1. Title: Faults in a urban waste water treatment plant 2. Source Information: -- Creators: Manel Poch (igte2@cc.uab.es) Unitat d'Enginyeria Quimica Universitat Autonoma de Barcelona. Bellaterra. Barcelona; Spain -- Donor: Javier Bejar and Ulises Cortes (bejar@lsi.upc.es) Dept. Llenguatges i Sistemes Informatics; Universitat Politecnica de Catalunya. Barcelona; Spain -- Date: June, 1993 3. Past Usage: 1. J. De Gracia. ``Avaluacio de tecniques de classificacio per a la gestio de Bioprocessos: Apl "
        ],
        "weight": 5
    },
    "qualities": [],
    "tags": [
        {
            "uploader": "38960",
            "tag": "Chemistry"
        },
        {
            "uploader": "38960",
            "tag": "Life Science"
        },
        {
            "uploader": "5824",
            "tag": "study_130"
        }
    ],
    "features": [
        {
            "name": "RD-SED-G",
            "index": "38",
            "type": "numeric",
            "distinct": "40",
            "missing": "31",
            "target": "1",
            "min": "36",
            "max": "100",
            "mean": "99",
            "stdev": "4"
        },
        {
            "name": "date",
            "index": "0",
            "type": "nominal",
            "distinct": "527",
            "missing": "0",
            "ignore": "1",
            "distr": []
        },
        {
            "name": "Q-E",
            "index": "1",
            "type": "nominal",
            "distinct": "503",
            "missing": "18",
            "ignore": "1",
            "distr": []
        },
        {
            "name": "ZN-E",
            "index": "2",
            "type": "numeric",
            "distinct": "168",
            "missing": "3",
            "min": "0",
            "max": "34",
            "mean": "2",
            "stdev": "3"
        },
        {
            "name": "PH-E",
            "index": "3",
            "type": "numeric",
            "distinct": "16",
            "missing": "0",
            "min": "7",
            "max": "9",
            "mean": "8",
            "stdev": "0"
        },
        {
            "name": "DBO-E",
            "index": "4",
            "type": "nominal",
            "distinct": "204",
            "missing": "23",
            "distr": []
        },
        {
            "name": "DQO-E",
            "index": "5",
            "type": "nominal",
            "distinct": "288",
            "missing": "6",
            "distr": []
        },
        {
            "name": "SS-E",
            "index": "6",
            "type": "nominal",
            "distinct": "141",
            "missing": "1",
            "distr": []
        },
        {
            "name": "SSV-E",
            "index": "7",
            "type": "numeric",
            "distinct": "274",
            "missing": "11",
            "min": "13",
            "max": "85",
            "mean": "61",
            "stdev": "12"
        },
        {
            "name": "SED-E",
            "index": "8",
            "type": "numeric",
            "distinct": "59",
            "missing": "25",
            "min": "0",
            "max": "36",
            "mean": "5",
            "stdev": "3"
        },
        {
            "name": "COND-E",
            "index": "9",
            "type": "nominal",
            "distinct": "414",
            "missing": "0",
            "distr": []
        },
        {
            "name": "PH-P",
            "index": "10",
            "type": "numeric",
            "distinct": "13",
            "missing": "0",
            "min": "7",
            "max": "9",
            "mean": "8",
            "stdev": "0"
        },
        {
            "name": "DBO-P",
            "index": "11",
            "type": "nominal",
            "distinct": "225",
            "missing": "40",
            "distr": []
        },
        {
            "name": "SS-P",
            "index": "12",
            "type": "nominal",
            "distinct": "154",
            "missing": "0",
            "distr": []
        },
        {
            "name": "SSV-P",
            "index": "13",
            "type": "numeric",
            "distinct": "284",
            "missing": "11",
            "min": "7",
            "max": "94",
            "mean": "60",
            "stdev": "12"
        },
        {
            "name": "SED-P",
            "index": "14",
            "type": "numeric",
            "distinct": "62",
            "missing": "24",
            "min": "1",
            "max": "46",
            "mean": "5",
            "stdev": "3"
        },
        {
            "name": "COND-P",
            "index": "15",
            "type": "nominal",
            "distinct": "412",
            "missing": "0",
            "distr": []
        },
        {
            "name": "PH-D",
            "index": "16",
            "type": "numeric",
            "distinct": "13",
            "missing": "0",
            "min": "7",
            "max": "8",
            "mean": "8",
            "stdev": "0"
        },
        {
            "name": "DBO-D",
            "index": "17",
            "type": "nominal",
            "distinct": "148",
            "missing": "28",
            "distr": []
        },
        {
            "name": "DQO-D",
            "index": "18",
            "type": "nominal",
            "distinct": "229",
            "missing": "9",
            "distr": []
        },
        {
            "name": "SS-D",
            "index": "19",
            "type": "nominal",
            "distinct": "74",
            "missing": "2",
            "distr": []
        },
        {
            "name": "SSV-D",
            "index": "20",
            "type": "numeric",
            "distinct": "242",
            "missing": "13",
            "min": "20",
            "max": "100",
            "mean": "73",
            "stdev": "10"
        },
        {
            "name": "SED-D",
            "index": "21",
            "type": "numeric",
            "distinct": "22",
            "missing": "25",
            "min": "0",
            "max": "4",
            "mean": "0",
            "stdev": "0"
        },
        {
            "name": "COND-D",
            "index": "22",
            "type": "nominal",
            "distinct": "410",
            "missing": "0",
            "distr": []
        },
        {
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