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The advantage of the Tk plots is that one can click to find out the name of an interesting vector. First we create the PCAGinsu object, which in the case of the yeast cell cycling dataset is fairly quick, but can take tens of minutes to nearly an hour for something like a 33,000 x 158 dataset such as the GNF dataset.
ipcaginsu = IPlot.PCAGinsu(cho, 10)