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[{"key": "dc.contributor.advisor", "value": "K\u00e4rkk\u00e4inen, Salme", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Kotam\u00e4ki, Niina", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Koski, Vilja", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2018-08-01T11:44:24Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2018-08-01T11:44:24Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2018", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/59055", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Suomessa toteutetaan vesist\u00f6jen suojelemiseksi ekologisen tilan seurantaa, jonka perusteella tehd\u00e4\u00e4n p\u00e4\u00e4t\u00f6ksi\u00e4 mahdollisista kunnostustoimenpiteist\u00e4. T\u00e4ss\u00e4 ty\u00f6ss\u00e4 k\u00e4ytet\u00e4\u00e4n informaatioarvon k\u00e4sitett\u00e4 (value of information, VOI ) selvitt\u00e4m\u00e4\u00e4n, mik\u00e4 on j\u00e4rven seurannan arvo. Informaatioarvo on p\u00e4\u00e4t\u00f6steorian k\u00e4site lis\u00e4aineiston arvon arvioimiseksi. Se tarkoittaa maksimihintaa, joka p\u00e4\u00e4t\u00f6ksentekij\u00e4n kannattaa viel\u00e4 maksaa lis\u00e4informaatiosta p\u00e4\u00e4t\u00f6ksen tekemiseksi. K\u00e4sitett\u00e4 sovelletaan Hiidenveden klorofyllipitoisuuden seuranta-aineistoon ja selvitet\u00e4\u00e4n, kuinka paljon lis\u00e4aineistosta kannattaa maksaa, kun Hiidenveden ekologisesta tilasta on jo ennakkok\u00e4sitys. Aineiston on ker\u00e4nnyt Suomen ymp\u00e4rist\u00f6keskus (SYKE). \nInformaatioarvoja lasketaan sek\u00e4 t\u00e4ydelliselle ett\u00e4 ep\u00e4t\u00e4ydelliselle informaatiolle. T\u00e4ydellisell\u00e4 informaatiolla tarkoitetaan sellaista tietoa, jolla saadaan t\u00e4ysin varma k\u00e4sitys ekologisesta tilasta. T\u00e4ss\u00e4 ty\u00f6ss\u00e4 tutkitaan my\u00f6s, miten ep\u00e4t\u00e4ydellinen informaatio, eli toisin sanoen ker\u00e4tt\u00e4v\u00e4n informaation luotettavuus, vaikuttaa informaatioarvoon. Se tehd\u00e4\u00e4n lineaarisen sekamallin avulla. Hiidenveden havaintoihin sovitetaan lineaarinen sekamalli, josta saadaan havaintojen odotusarvon estimaattien jakauma. Saatua jakaumaa verrataan Hiidenveden vertailuj\u00e4rvien klorofyllihavaintojen keskiarvojen empiiriseen jakaumaan, jolloin saadaan ehdolliset todenn\u00e4k\u00f6isyydet ennustaa j\u00e4rven ekologinen tila ehdolla oikea tila. Lis\u00e4ksi tehd\u00e4\u00e4n sensitiivisyystarkasteluja, miten ennakkok\u00e4sitys ja ehdolliset todenn\u00e4k\u00f6isyydet vaikuttavat informaatioarvoon.\nTulosten perusteella n\u00e4hd\u00e4\u00e4n, ett\u00e4 mit\u00e4 luotettavampaa ker\u00e4tt\u00e4v\u00e4 tieto j\u00e4rvest\u00e4 on, sit\u00e4 enemm\u00e4n siit\u00e4 kannattaa maksaa. Resursseja ei kannata kohdentaa sellaisiin j\u00e4rviin, joissa ennakkotieto j\u00e4rven ekologisesta tilasta on jo vahva. Sen sijaan tietoa j\u00e4rven ekologisesta tilasta kannattaa hankkia sellaisista j\u00e4rvist\u00e4, joista ennakkotietoa ekologisesta tilasta ei viel\u00e4 ole tai se on hyvin ep\u00e4varmaa. Erityisesti informaatio on arvokkaampaa silloin, kun ollaan ennakkoon varmempia siit\u00e4, ett\u00e4 j\u00e4rvi on paremmassa kuin ett\u00e4 se on huonommassa tilassa. T\u00e4ll\u00f6in kannattaa ker\u00e4t\u00e4 informaatiota ja varmistua siit\u00e4, ett\u00e4 j\u00e4rvi on hyv\u00e4ss\u00e4 tilassa, jolloin kalliit kunnostustoimenpiteet j\u00e4rvelle voidaan j\u00e4tt\u00e4\u00e4 tekem\u00e4tt\u00e4.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Riitta Pitk\u00e4nen (rpitkane@jyu.fi) on 2018-08-01T11:44:24Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2018-08-01T11:44:24Z (GMT). No. of bitstreams: 0\n Previous issue date: 2018", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "43", "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": "ep\u00e4t\u00e4ydellinen informaatio", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "Hiidenvesi", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "informaatioarvo", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "lineaarinen sekamalli", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "p\u00e4\u00e4t\u00f6ksenteko", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Informaatioarvo ja sekamallit : sovellus j\u00e4rvien ekologiseen tilaluokitteluun", "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-201808013683", "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.collaborator", "value": "public", "language": "", "element": "contractresearch", "qualifier": "collaborator", "schema": "yvv"}, {"key": "yvv.contractresearch.funding", "value": "0", "language": "", "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "yvv.contractresearch.initiative", "value": "student", "language": "", "element": "contractresearch", "qualifier": "initiative", "schema": "yvv"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_bdcc", "language": null, "element": "type", "qualifier": "coar", "schema": 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