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[{"key": "dc.contributor.author", "value": "Ahtinen, Suvi", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2020-06-18T06:40:49Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2020-06-18T06:40:49Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2020", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/70059", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "T\u00e4ss\u00e4 tutkielmassa sovelletetaan k:n prototyypin ryhmittelymenetelm\u00e4\u00e4 aineistoon,\njoka perustuu peruskoulun ja toisen asteen oppilaitosten henkil\u00f6kunnan mielipidekyselyyn omasta ty\u00f6hyvinvoinnistaan. Menetelm\u00e4 on valittu, koska sen avulla voidaan ryhmitell\u00e4 aineistoa yksil\u00f6iden v\u00e4listen vastauksien samankaltaisuuksien perusteella ja huomioida aineiston kategoriset sek\u00e4 jatkuvat muuttujat. Aineisto sis\u00e4lt\u00e4\u00e4 runsaasti puuttuvaa tietoa, joten ryhmittely toteutetaan t\u00e4ydellisesti havaitun aineiston lis\u00e4ksi moniimputoituihin aineistoihin.\nMoni-imputoinnissa muodostetaan iteratiivisesti viisi eri aineistoa, joihin tehd\u00e4\u00e4n ryhmittely ja vertaillaan ryhmille muodostuneita keskustojen keskiarvoja. Imputoitavalle vastemuuttujalle valitaan sopivat selitt\u00e4v\u00e4t muuttujat,\njotka sis\u00e4lt\u00e4v\u00e4t v\u00e4hint\u00e4\u00e4n 50 prosenttia havaittuja arvoja ja korreloivat vastemuuttujan kanssa.\nRyhmittelyanalyysiin valitaan 70 mielipidekysymyksest\u00e4 22 kysymyst\u00e4 tulosten raportoinnin selkeytt\u00e4miseksi. Valinnassa k\u00e4ytett\u00e4v\u00e4n algoritmin avulla etsit\u00e4\u00e4n muuttujia, joissa voidaan havaita klusteroitumista. Aineistosta on valittu my\u00f6s kaksi taustamuuttujaa: ik\u00e4 ja ty\u00f6vuodet. T\u00e4ll\u00f6in voidaan tarkastella my\u00f6s ty\u00f6hyvinvointiin vaikuttavien taustatekij\u00f6iden ryv\u00e4stymist\u00e4.\nEnnen ryhmittelymenetelm\u00e4n suorittamista valitaan, kuinka moneen ryhm\u00e4\u00e4n havainnot lajitellaan. Valinta tehd\u00e4\u00e4n sis\u00e4isten validointikriteerien indeksien\navulla. T\u00e4ss\u00e4 tutkielmassa esitell\u00e4\u00e4n nelj\u00e4 yleisesti k\u00e4ytetty\u00e4 indeksi\u00e4, joista Davies\u2013Bouldin- ja Calinski\u2013Harabasz-indeksien perusteella aineistoon\nsopii kaksi ryhm\u00e4\u00e4. Lis\u00e4ksi esitell\u00e4\u00e4n ulkoinen Rand-indeksi, jonka avulla voidaan tutkia t\u00e4ydellisesti havaitun ja moni-imputoitujen aineistojen ryhmittelyiden\nyht\u00e4l\u00e4isyyksi\u00e4.\nKahteen klusteriin ryhmitellyst\u00e4 moni-imputoidusta sek\u00e4 t\u00e4ydellisesti havaitun aineiston tuloksista voidaan todeta ensimm\u00e4isen klusterin sis\u00e4lt\u00e4v\u00e4n negatiivisesti ty\u00f6hyvinvoinnistaan ajattelevia, jotka kokevat itsens\u00e4 my\u00f6s v\u00e4syneeksi ja stressaantuneeksi. Toinen klusteri taas sis\u00e4lt\u00e4\u00e4 enemm\u00e4n positiivisesti ty\u00f6hyvinvoinnistaan ajattelevia, jotka kokevat v\u00e4symyst\u00e4 ja stressi\u00e4\nv\u00e4hemm\u00e4n, sek\u00e4 ovat ty\u00f6skennelleet v\u00e4hemm\u00e4n aikaa samassa koulussa kuin ensimm\u00e4isen klusterin henkil\u00f6t.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Miia Hakanen (mihakane@jyu.fi) on 2020-06-18T06:40:49Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2020-06-18T06:40:49Z (GMT). No. of bitstreams: 0\n Previous issue date: 2020", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "53", "language": "", "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": "fin", "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": "ryhmittelymenetelm\u00e4", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "koulun hyvinvointiprofiili", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "moni-imputointi", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "K:n prototyypin ryhmittelymenetelm\u00e4n ja moni-imputoinnin sovellus ty\u00f6hyvinvointiaineistoon", "language": "", "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-202006184270", "language": "", "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", "value": "Matemaattis-luonnontieteellinen tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Sciences", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Matematiikan ja tilastotieteen laitos", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Department of Mathematics and Statistics", "language": "en", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Tilastotiede", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Statistics", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "yvv.contractresearch.funding", "value": "0", "language": "", "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_bdcc", "language": null, "element": "type", "qualifier": "coar", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "openAccess", "language": null, "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "masterThesis", "language": null, "element": "type", "qualifier": "publication", "schema": "dc"}, {"key": "dc.subject.oppiainekoodi", "value": "4043", "language": "", "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "klusterit", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "ty\u00f6hyvinvointi", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "tilastotiede", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.format.content", "value": "fulltext", "language": null, "element": "format", "qualifier": "content", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}, {"key": "dc.type.okm", "value": "G2", "language": null, "element": "type", "qualifier": "okm", "schema": "dc"}]
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