How to group data using GoogleVis in R -


i have data frame:

df <- data.frame(country=c("us", "gb", "br", "us"),                  val1=c(1, 3, 4, 6),                  val2=c(23, 12, 32, 17)) 

when plot bar chart using googlevis, gives me barlines each country (us twice).

bar1 <- gvisbarchart(df, xvar="country", yvar=c("val1", "val2")) plot(bar1) 

what want group sum of val1 , val2 on graph.

try aggregating data first.

library(googlevis) df.summary <- aggregate(cbind(val1, val2) ~ country, data=df, fun = sum) df.summary  ##   country val1 val2 ## 1      br    4   32 ## 2      gb    3   12 ## 3         7   40  bar1 <- gvisbarchart(df, xvar="country", yvar=c("val1", "val2")) plot(bar1) 

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