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soonraah/DrawColoredPointDiagram

Created January 5, 2014 06:13
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散布図で各点の色を指定する方法
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DrawColoredPointDiagram
library(ggplot2)
# CSV 読み込み
color_plot_data <- read.csv("points.csv")
# 座標データとして x, y 列、色データとして r, g, b 列を与えて散布図を描画
ggplot(data=color_plot_data, aes(x=x, y=y, col=rgb(r, g, b))) +
geom_point() +
scale_color_identity()
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