Google Charts Line Graph Axes Synchronization

[Gaurav Pandey]

Hi,

I am using googleVis package in R to create line chart(Google Chart) with two axis using function :

df=data.frame(country=c("US", "GB", "BR"), val1=c(10,13,14), val2=c(100,150,200)) 

Line2 <- gvisLineChart(df, "country", c("val1","val2"), options=list(series="[{targetAxisIndex: 0}, {targetAxisIndex:1}]", vAxes="[{title:'val1'}, {title:'val2'}]"))

plot(Line2)

Now the graph has two axis but the values of the two axis are very different. So is there any method of synchronizing the two axis in googleVis package?

Thanks in Advance For Helping :)

[Daniel LaLiberte]

I don't know much about this googleVis package, which is written by someone outside of Google.  But from your examples, it appears you should be able to add options to control the viewWindow and chartArea to get the values you want.  I don't know what values you want, but it would be something like this:

options=list(

  chartArea="{width:200, height:200}",

  hAxis="{viewWindow:{min:0,max:200}}",

  vAxis="{viewWindow:{min:0,max:200}}", ...

)

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Daniel LaLiberte

dlaliberte@Google.com   5CC, Cambridge MA