About: Use of nonparametric regression methods for developing a local stem form model

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A local mean stem curve of spruce was represented using regression splines. Abilities of smoothing spline and P-spline to model the mean stem curve were evaluated using data of 85 carefully measured stems of Norway spruce. For both techniques the optimal amount of smoothing was investigated in dependence on the number of training stems using a cross-validation method. Representatives of main groups of parametric models – single models, segmented models and models with variable coefficient – were compared with spline models using five statistic criteria. Both regression splines performed comparably or better as all representatives of parametric models independently of the numbers of stems used as training data. A local mean stem curve of spruce was represented using regression splines. Abilities of smoothing spline and P-spline to model the mean stem curve were evaluated using data of 85 carefully measured stems of Norway spruce. For both techniques the optimal amount of smoothing was investigated in dependence on the number of training stems using a cross-validation method. Representatives of main groups of parametric models – single models, segmented models and models with variable coefficient – were compared with spline models using five statistic criteria. Both regression splines performed comparably or better as all representatives of parametric models independently of the numbers of stems used as training data. (en)
Title	Use of nonparametric regression methods for developing a local stem form model Use of nonparametric regression methods for developing a local stem form model (en)
skos:prefLabel	Use of nonparametric regression methods for developing a local stem form model Use of nonparametric regression methods for developing a local stem form model (en)
skos:notation	RIV/60460709:41320/14:64999!RIV15-MZE-41320___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(QI102A079)
http://linked.open...iv/cisloPeriodika	11
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Marušák, Róbert Kuželka, Karel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Česká zemědělská univerzita v Praze / Fakulta lesnická a dřevařská
http://linked.open...dnocenehoVysledku	52323
http://linked.open...ai/riv/idVysledku	RIV/60460709:41320/14:64999
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Norway spruce, spline, stem curve, taper (en)
http://linked.open.../riv/klicoveSlovo	spline Norway spruce taper stem curve
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[CE48C667E721]
http://linked.open...i/riv/nazevZdroje	Journal of Forest Science
http://linked.open...in/vavai/riv/obor	GK
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Research on biomass of broadleaved species
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	60
http://linked.open...iv/tvurceVysledku	Marušák, Róbert Kuželka, Karel
http://linked.open...ain/vavai/riv/wos	0
issn	1212-4834
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	41320

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