Technical note: A significance test for data-sparse zones in scatter plots

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dc.contributor.authorVetrova, V. V.
dc.contributor.authorBardsley, W. Earl
dc.date.accessioned2012-07-05T03:37:03Z
dc.date.available2012-07-05T03:37:03Z
dc.date.copyright2012-04-26
dc.date.issued2012
dc.description.abstractData-sparse zones in scatter plots of hydrological variables can be of interest in various contexts. For example, a well-defined data-sparse zone may indicate inhibition of one variable by another. It is of interest therefore to determine whether data-sparse regions in scatter plots are of sufficient extent to be beyond random chance. We consider the specific situation of data-sparse regions defined by a linear internal boundary within a scatter plot defined over a rectangular region. An Excel VBA macro is provided for carrying out a randomisation-based significance test of the data-sparse region, taking into account both the within-region number of data points and the extent of the region. Example applications are given with respect to a rainfall time series from Israel and also to validation scatter plots from a seasonal forecasting model for lake inflows in New Zealand.en_NZ
dc.format.mimetypeapplication/pdf
dc.identifier.citationVetrova, V.V., Bardsley, W.E. (2012). Technical note: A significance test for data-sparse zones in scatter plots. Hydrology and Earth System Sciences, 16(4), 1255-1257.en_NZ
dc.identifier.doi10.5194/hess-16-1255-2012en_NZ
dc.identifier.urihttps://hdl.handle.net/10289/6442
dc.language.isoen
dc.publisherCopernicus Publicationsen_NZ
dc.relation.isPartOfHydrology and Earth System Sciencesen_NZ
dc.relation.ispartofHydrology and Earth System Sciences
dc.relation.urihttp://www.hydrol-earth-syst-sci.net/16/1255/2012/hess-16-1255-2012.htmlen_NZ
dc.rightsThis article has been published in the journal: Hydrology and Earth System Sciences. © Author(s) 2012. This work is distributed under the Creative Commons Attribution 3.0 License.en_NZ
dc.subjectdata-sparse zonesen_NZ
dc.titleTechnical note: A significance test for data-sparse zones in scatter plotsen_NZ
dc.typeJournal Articleen_NZ
pubs.begin-page1255en_NZ
pubs.elements-id37460
pubs.end-page1257en_NZ
pubs.issue4en_NZ
pubs.volume16en_NZ
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