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[{"key": "dc.contributor.advisor", "value": "Karvanen, Juha", "language": null, "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Koski, Nanni", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2015-03-23T08:22:33Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2015-03-23T08:22:33Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2015", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1468624", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/45549", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Tutkielmassa esitell\u00e4\u00e4n riskitiheyskuvio, jota voidaan k\u00e4ytt\u00e4\u00e4 Coxin\nsuhteellisten riskitiheyksien mallin tulosten sek\u00e4 aineiston havainnollistamisessa.\nKaikki mallissa olevat kovariaatit voidaan piirt\u00e4\u00e4 samaan kuvaan,\nsill\u00e4 vaaka-akselin koordinaattina k\u00e4ytet\u00e4\u00e4n [0, 1]-v\u00e4lille skaalattuja\nj\u00e4rjestyslukuja. Pystyakselille piirret\u00e4\u00e4n kovariaateittain suhteellinen\nriskitiheys, joka on mallin antama riskitiheys jaettuna riskitiheydell\u00e4 vertailukohdassa kuten kovariaatin mediaanissa.\n\nRiskitiheyskuvio mahdollistaa mallissa olevien kovariaattien keskin\u00e4isen merkityksen arvioinnin populaatiotasolla. Riskitiheyskuviota voidaan\nk\u00e4ytt\u00e4\u00e4 my\u00f6s kovariaatin muunnosten tulkinnalliseen vertailuun.\nKuvio n\u00e4ytt\u00e4\u00e4 mallin antamat suhteelliset riskitiheydet kovariaattien\nminimiss\u00e4 ja maksimissa, ja sen avulla voidaan siis arvioida, tuottaako\nsuhteellisten riskitiheyksien oletus j\u00e4rkevi\u00e4 riskitiheyden estimaatteja\nhavaintoyksik\u00f6ille, joilla on havaittu \u00e4\u00e4rimm\u00e4isi\u00e4 arvoja kovariaateilla.\nLis\u00e4ksi esitet\u00e4\u00e4n esimerkki riskitiheyskuvion hy\u00f6dynt\u00e4misest\u00e4 Coxin\nmallille, jossa on ajassa muuttuvia kovariaatteja.\n\nRiskitiheyskuvio voidaan piirt\u00e4\u00e4 R-ymp\u00e4rist\u00f6n rankhazard-pakettia\nk\u00e4ytt\u00e4en. Tutkielman p\u00e4\u00e4paino on ollut rankhazard-paketin p\u00e4ivitt\u00e4misess\n\u00e4 aiemmasta versiosta 0.8-1. Tutkielman tuloksena paketista julkaistiin\nR-ohjelmapakettien kokoelmaan (The Comprehensive R Archive Network) versio 1.0. Siihen on korjattu edellisen version puutteita sek\u00e4 lis\u00e4tty uusia ominaisuuksia. Nyt malleissa voi k\u00e4ytt\u00e4\u00e4 sek\u00e4 faktoreita\nett\u00e4 muunnoksia. Lis\u00e4ksi suhteellisen riskitiheyden luottamusv\u00e4lien\npiirt\u00e4minen on mahdollista, ja muun muassa graafsia ominaisuuksia on\nparannettu lis\u00e4argumenttien my\u00f6t\u00e4.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Nanni Koski (nataanko) on 2015-03-23 08:22:32.418094. 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@noreply.fi) on 2015-03-23T08:22:33Z\nNo. of bitstreams: 2\nURN:NBN:fi:jyu-201503231500.pdf: 978700 bytes, checksum: 1198067195030cdcae08a0b8a609f209 (MD5)\nlicense.html: 4853 bytes, checksum: edb1b8f6b53210a1ebaddc096f91f120 (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2015-03-23T08:22:33Z (GMT). No. of bitstreams: 2\nURN:NBN:fi:jyu-201503231500.pdf: 978700 bytes, checksum: 1198067195030cdcae08a0b8a609f209 (MD5)\nlicense.html: 4853 bytes, checksum: edb1b8f6b53210a1ebaddc096f91f120 (MD5)\n Previous issue date: 2015", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "1 verkkoaineisto (48 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": "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": "Coxin malli", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "riskitiheyskuvio", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Riskitiheyskuvio Coxin mallin diagnostiikassa ja tulkinnassa sek\u00e4 sen toteuttaminen R-ymp\u00e4rist\u00f6\u00f6n", "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-201503231500", "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", "value": "Matemaattis-luonnontieteellinen tiedekunta", "language": "fi", "element": 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