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R如何在谷歌艺术中添加传奇_R_Legend_Googlevis - Fatal编程技术网

R如何在谷歌艺术中添加传奇

R如何在谷歌艺术中添加传奇,r,legend,googlevis,R,Legend,Googlevis,我正在使用谷歌,我想知道如何才能编辑图例文本。例如,我有一个地图,可以使用标记可视化两个变量。标记的大小由一个变量var1决定,其颜色由另一个变量var2决定。生成的绘图仅显示一个变量的图例 map <- gvisGeoChart(df, locationvar = 'state', colorvar = 'var1', sizevar = 'var2', options = list(region = 'US',displa

我正在使用谷歌,我想知道如何才能编辑图例文本。例如,我有一个地图,可以使用标记可视化两个变量。标记的大小由一个变量var1决定,其颜色由另一个变量var2决定。生成的绘图仅显示一个变量的图例

map <- gvisGeoChart(df, locationvar = 'state',
                colorvar = 'var1', sizevar = 'var2',
                options = list(region = 'US',displayMode = 'markers'))
plot(map)
map