search for: verginica

Hello, I have two questions: 1. How can I get black and white graphics using the pdf() device? I have tried pdf(Name.pdf, bg="white", fg"black"), but I still get full-color graphics. 2. When using lattice, how do I change the title for each panel? By default it uses the categories of the grouping factor. I would like to modify the labels in the graphic without changing

...h Species 1 5.1 3.5 1.4 0.2 setosa 2 4.9 3.0 1.4 0.2 setosa ..... ..... 150 5.9 3.0 5.1 18 verginica now I used 'prcomp' function on dataset and got result as following: >print(pc) Standard deviations (1, .., p=4): [1] 1.7083611 0.9560494 0.3830886 0.1439265 Rotation (n x k) = (4 x 4): PC1 PC2 PC3 PC4 Sepal.Length 0.5210659 -0.37741762 0.719...

...5.1 3.5 1.4 > 0.2 setosa > 2 4.9 3.0 1.4 > 0.2 setosa > ..... > ..... > 150 5.9 3.0 5.1 18 > verginica > > now I used 'prcomp' function on dataset and got result as following: >> print(pc) > Standard deviations (1, .., p=4): > [1] 1.7083611 0.9560494 0.3830886 0.1439265 > > Rotation (n x k) = (4 x 4): > PC1 PC2 PC3 PC4 &gt...