Researchers at Shandong University have shown a fast new way to pull data off computers that are cut off from every network. The technique, called TrojPix , tweaks on-screen pixels in ways the eye ...
In the following image, the marks of students in Maths and Biology has been plotted.You can clearly group the students to 4 clusters now. Cluster 1 are students who score very well in Biology but very ...
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