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...For example (cos(t), sin(t)) (a2D  circle) or (cos(t), sin(t), t) (a 3D helix). It seems that neither curve(), plot(), nor persp() are helpful for that particular problem. I bet I?m not the first one missing this functionality and it probably already exists somewhere. Thanks for any hints. Toni Menninger Department of Geosciences University of Arkansas [[alternative HTML version deleted]]

...volution R on MSU's Statistical Computing Cluster featured in ReadWriteWeb: http://bit.ly/zfRF1B Revolution Analytics welcomes new CEO, Dave Rich: http://bit.ly/y4XMNh R charts in prominent places: in Facebook's IPO documents, and in the journal Nature: http://bit.ly/xNnZo4 Analyst David Menninger reflects on the winning entries in the Applications of R in Business contest: http://bit.ly/yBe3tX Other non-R-related stories in the past month included: top influencers in Big Data (http://bit.ly/AlzK9k), how Target predicted a girl's pregnancy before her father knew (http://bit.ly/ziBr4V),...