Sketching data: lessons learned from a formative user evaluation
SIGGRAPH Mobile, 2013.
Mobile devices require new interaction approaches for working with data, as inputting numbers into a spreadsheet on a tablet is especially tedious. Last year we presented SketchGraph [Martino et al. 2012] for sketching data in a fluid manner (Fig. 1). Here, we discuss observations of usability based on a user study.
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