Hi,
It looks like it isnt so straightforward in GoogleVis to put custom tooltip
for individual y variables if your line plot contains multiple y variables.
Take this example :
df <- data.frame(year=1:11,pop=1:11, qoq=11:21,
pop.html.tooltip=letters[1:11],
qoq.html.tooltip=letters[11:21]);
plot(gvisComboChart(df, xvar = "year", yvar = c('pop', 'qoq',
'pop.html.tooltip', 'qoq.html.tooltip'), options = list(seriesType="lines",
tooltip = '{isHtml: true}')))
I got below error message :
Only one column with role 'tooltip' per series is allowed
However below code works fine when I remove the variable
''qoq.html.tooltip''
df <- data.frame(year=1:11,pop=1:11, qoq=11:21,
pop.html.tooltip=letters[1:11],
qoq.html.tooltip=letters[11:21]);
plot(gvisComboChart(df, xvar = "year", yvar = c('pop', 'qoq',
'pop.html.tooltip'), options = list(seriesType="lines", tooltip = '{isHtml:
true}')))
However in this case, I am unable to assign custom tooltip for variable
'qoq' unlike 'pop'
Can someone help me how can I give custom tooltip for both 'pop' and 'qoq'
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