The parallel coordinate plot in action: design and use for geographic visualization

Edsall, Robert M.

doi:10.1016/s0167-9473(02)00295-5

Cited by 76 publications

(48 citation statements)

References 14 publications

(11 reference statements)

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“…Thus, selections made in other views overcame the visual clutter in the PCP and individuals frequently read the searched for information from the PCP. All these findings support Edsall's (2003b) claim that interaction techniques may remedy the negative effects of the visual clutter typical of PCPs. We therefore claim that tables as well as PCPs can be a handy way of displaying data even for simple tasks: if it is accompanied by interactive functions that help explore the data.…”

Section: Discussionsupporting

confidence: 77%

For your eyes only? Evaluating a coordinated and multiple views tool with a map, a parallel coordinated plot and a table using an eye-tracking approach

Gołębiowska

Opach

Rød

2016

International Journal of Geographical Information Science

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Geographic visualization tools with coordinated and multiple views (CMV) typically provide sets of visualization methods. Such configuration gives users the possibility of investigating data in various visual contexts; however, it can be confusing due to the multiplicity of visual components and interactive functions. We addressed this challenge and conducted an empirical study on how a CMV tool, consisting of a map, a parallel coordinate plot (PCP), and a table, is used to acquire information. We combined a task-based approach with eye-tracking and usability metrics since these methods provide comprehensive insights into users' behaviour. Our empirical study revealed that the freedom to choose visualization components is appreciated by users. The individuals worked with all the available visualization methods and they often used more than one visualization method when executing tasks.

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Section: Discussionsupporting

confidence: 77%

For your eyes only? Evaluating a coordinated and multiple views tool with a map, a parallel coordinated plot and a table using an eye-tracking approach

Gołębiowska

Opach

Rød

2016

International Journal of Geographical Information Science

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“…The mean and standard deviation of AE/PE values were calculated for each month within each cluster to show the general annual cycle of AE/PE and its spatial variability for each cluster. Finally, parallel coordinate plots were constructed to highlight the within-cluster variance of AE/PE [Edsall, 2003].…”

Section: Methodsmentioning

confidence: 99%

Spatial variations of effective moisture in the western United States

Shinker

Bartlein

2010

Geophysical Research Letters

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[1] Spatial patterns of actual evapotranspiration (AE), potential evapotranspiration (PE), and their ratio (AE/PE) in the western United States are examined to describe the annual cycle of moisture availability. Long-term (1971Long-term ( -2000 averages of observed temperature and precipitation, and sunshine data were used to calculate AE and PE. A cluster analysis identifies regions with similar annual cycles of AE/PE. We identify three different spatial scales of variability in AE/PE: (1) broadscale patterns reflect the trade-off between winter-dominated precipitation of the Pacific Northwest and summer-dominated precipitation east of the Rocky Mountains, and the south-to-north decrease in PE related to latitudinal variations in net radiation; (2) mesoscale patterns show the influence of regional-scale features (e.g., the North American Monsoon); and (3) local-scale patterns are related to topography. Understanding the scales of effective-moisture variations is valuable from the perspective of terrestrial ecosystems and water resources management in the mostly arid western United States.

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“…We use the transformed and standardised versions employed in the construction of OAC [51] and present these as an interactive parallel coordinate plot [26], a widely-used technique for showing multivariate socio-economic geographic information [13,10,1,11,44,14,45,7] with increasingly sophisticated symbolism, interaction and functionality. We summarise the distributions of variables in Fig.…”

Section: Profiles and Demographic Variablesmentioning

confidence: 99%

Exploring Uncertainty in Geodemographics with Interactive Graphics

Slingsby

Dykes

Wood

2011

IEEE Trans. Visual. Comput. Graphics

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This is the unspecified version of the paper.This version of the publication may differ from the final published version. Abstract-Geodemographic classifiers characterise populations by categorising geographical areas according to the demographic and lifestyle characteristics of those who live within them. The dimension-reducing quality of such classifiers provides a simple and effective means of characterising population through a manageable set of categories, but inevitably hides heterogeneity, which varies within and between the demographic categories and geographical areas, sometimes systematically. This may have implications for their use, which is widespread in government and commerce for planning, marketing and related activities. We use novel interactive graphics to delve into OAC -a free and open geodemographic classifier that classifies the UK population in over 200,000 small geographical areas into 7 super-groups, 21 groups and 52 sub-groups. Our graphics provide access to the original 41 demographic variables used in the classification and the uncertainty associated with the classification of each geographical area on-demand. It also supports comparison geographically and by category. This serves the dual purpose of helping understand the classifier itself leading to its more informed use and providing a more comprehensive view of population in a comprehensible manner. We assess the impact of these interactive graphics on experienced OAC users who explored the details of the classification, its uncertainty and the nature of between -and within -class variation and then reflect on their experiences. Visualization of the complexities and subtleties of the classification proved to be a thought-provoking exercise both confirming and challenging users' understanding of population, the OAC classifier and the way it is used in their organisations. Users identified three contexts for which the techniques were deemed useful in the context of local government, confirming the validity of the proposed methods. Permanent repository link

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The parallel coordinate plot in action: design and use for geographic visualization

Cited by 76 publications

References 14 publications

For your eyes only? Evaluating a coordinated and multiple views tool with a map, a parallel coordinated plot and a table using an eye-tracking approach

For your eyes only? Evaluating a coordinated and multiple views tool with a map, a parallel coordinated plot and a table using an eye-tracking approach

Spatial variations of effective moisture in the western United States

Exploring Uncertainty in Geodemographics with Interactive Graphics

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