Show up the Pie chart by Google Maps at rStudio - Manual

library(googleVis)
a<-c('option1','option2','option3')
b<-c(35,80,10)
data<-data.frame(a,b)

myplot<-gvisPieChart(data,options=list(title='Example',width=1000, height=500
                                       , tooltip = "{text:'percentage'}"))

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