ggplot2 is a plotting system for R, based on the grammar of graphics, which tries to take the good parts of base and lattice graphics and none of the bad parts. It takes care of many of the fiddly details that make plotting a hassle (like drawing legends) as well as providing a powerful model of graphics that makes it easy to produce complex multi-layered graphics.
Using XMind/XMind Pro with XMind.net's sharing service is a revolutionary way to enable both team brainstorming and personal mind mapping. With this major upgrade, we bring Web 2.0 concepts on community sharing into a popular desktop application. Our new Gantt chart view is a must for both junior and senior project managers. You'll find many more pleasant surprises with the new XMind product family.
As just about every statistics student can attest, Simpson's Paradox — a statistical phenomenon where an apparent trend is reversed when you look at subgroups — is notoriously hard to explain. You can look at examples — say, the fact that US wages are rising overall, but dropping within every educational group — but that don't really help to explain the paradox. But it's not really paradox at all, but simply the fact that the disparate rate at which members of the study join the subgroups isn't accounted for in the analysis. To demonstrate this effect, the Visualizing Urban Data...
Atom Interface is a novel interactive visualization of single/multiple tree structures. It is based on the metaphor of electrons, atoms and molecules. For mo...
How much of a language is silent? What does it look like when you take the silence out? Can we use code as a tool to answer these questions? silenc is a tangible…