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[{"key": "dc.contributor.advisor", "value": "K\u00e4rkk\u00e4inen, Tommi", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "\u00c4yr\u00e4m\u00f6, Sami", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Jauhiainen, Susanne", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2017-05-30T09:18:29Z", "language": "", "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2017-05-30T09:18:29Z", "language": "", "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2017", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1702336", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/54175", "language": "", "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "T\u00e4ss\u00e4 pro gradu -tutkielmassa k\u00e4yd\u00e4\u00e4n l\u00e4pi Knowledge Discovery in Databases (KDD) -prosessi ja sen soveltamismahdollisuuksia fyysiseen aktiivisuuteen liittyv\u00e4n datan kanssa. KDD-prosessi koostuu monesta eri vaiheesta, sis\u00e4lt\u00e4en esik\u00e4sittelyn, datan muunnoksen ja tiedonlouhinnan. T\u00e4ss\u00e4 tutkielmassa tiedonlouhinnan menetelm\u00e4n\u00e4 k\u00e4ytet\u00e4\u00e4n klusterointia, joka k\u00e4yd\u00e4\u00e4n l\u00e4pi yksityiskohtaisesti. Vertailemme my\u00f6s laajan joukon eri klusterointi indeksej\u00e4 (CVAIs) sek\u00e4 niiden eri toteutuksia k-means klusteroinnin kanssa ja esittelemme parhaat n\u00e4ist\u00e4 yleisemm\u00e4ss\u00e4 muodossa. Tutkielman empiirisess\u00e4 osassa seitsem\u00e4sluokkalaisten koululaisten aktiivisuusdataa tutkitaan KDD-prosessia seuraten ja hy\u00f6dynt\u00e4en monia eri datan muunnoksia ja klusterointimenetelmi\u00e4. Tarkoituksena on selvitt\u00e4\u00e4, voiko ohjaamattoman tiedonlouhinnan avulla l\u00f6yt\u00e4\u00e4 uutta ja hy\u00f6dyllist\u00e4 informaatiota datasta.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.abstract", "value": "In this master\u2019s thesis the Knowledge Discovery in Databases (KDD) process and its usage with physical activity data are discussed. The KDD process has multiple steps, including preprocessing, transformation, and data mining. Clustering is used as the data mining technique and is introduced in detail. A large set of different Cluster Validation Indices (CVAIs) and their implementations are tested with the k-means clustering and the best performing ones further generalized. In the empirical part, physical activity data from Finnish seventh-grade students is assessed following the KDD process and using multiple different transformations with different clustering methods. The aim is to find out, whether unsupervised data mining can help detect novel and useful information from this data.", "language": "en", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Susanne Jauhiainen (sumahein) on 2017-05-30 09:18:29.273436. Form: Pro gradu -lomake (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake). JyX data: [jyx_publishing-allowed (fi) =True]", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija.group@korppi.jyu.fi) on 2017-05-30T09:18:29Z\r\nNo. of bitstreams: 2\r\nURN:NBN:fi:jyu-201705302561.pdf: 1465238 bytes, checksum: 9be854fc1c8b6dbf9cbf15bf212616d6 (MD5)\r\nlicense.html: 4808 bytes, checksum: 91d7c244455f3744c2872d6031515ca5 (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2017-05-30T09:18:29Z (GMT). No. of bitstreams: 2\r\nURN:NBN:fi:jyu-201705302561.pdf: 1465238 bytes, checksum: 9be854fc1c8b6dbf9cbf15bf212616d6 (MD5)\r\nlicense.html: 4808 bytes, checksum: 91d7c244455f3744c2872d6031515ca5 (MD5)\r\n Previous issue date: 2017", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "1 verkkoaineisto (99 sivua)", "language": null, "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "eng", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "knowledge discovery", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "physical activity", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "cluster validation index", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Knowledge discovery from physical activity", "language": null, "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-201705302561", "language": null, "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", 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