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March 21, 2019 13:48
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Plot spectra as heatmap with ggplot + hyperSpec
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| ggplot(as.long.df(spc), mapping = aes(x = .wavelength, y = spc)) + | |
| geom_vline(aes(color=spc, xintercept=.wavelength)) + | |
| facet_grid(group~.) + | |
| scale_color_gradient2(low='white', mid='red', high='darkred',midpoint = 0.5) |
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