View source: R/gvisCoreCharts.R
gvisAreaChart | R Documentation |
The gvisAreaChart function reads a data.frame and creates text output referring to the Google Visualisation API, which can be included into a web page, or as a stand-alone page.
gvisAreaChart(data, xvar = "", yvar = "", options = list(), chartid)
data |
a |
xvar |
name of the character column which contains the category labels for the x-axes. |
yvar |
a vector of column names of the numerical variables to be plotted. Each column is displayed as a separate line. |
options |
list of configuration options, see: \Sexpr[results=rd]{gsub("CHARTNAME", googleChartName, readLines(file.path(".", "inst", "mansections", "GoogleChartToolsURLConfigOptions.txt")))} \Sexpr[results=rd]{paste(readLines(file.path(".", "inst", "mansections", "gvisOptions.txt")))} |
chartid |
character. If missing (default) a random chart id will be
generated based on chart type and |
The area chart is rendered within the browser using SVG or VML and displays tips when hovering over points.
returns list
of class
\Sexpr[results=rd]{paste(readLines(file.path(".", "inst",
"mansections", "gvisOutputStructure.txt")))}
Markus Gesmann markus.gesmann@gmail.com,
Diego de Castillo decastillo@gmail.com
Google Chart Tools API: \Sexpr[results=rd]{gsub("CHARTNAME", googleChartName, readLines(file.path(".", "inst", "mansections", "GoogleChartToolsURL.txt")))}
See also print.gvis
, plot.gvis
for
printing and plotting methods
## Please note that by default the googleVis plot command ## will open a browser window and requires an internet ## connection to display the visualisation. df=data.frame(country=c("US", "GB", "BR"), val1=c(1,3,4), val2=c(23,12,32)) ## Area chart Area1 <- gvisAreaChart(df, xvar="country", yvar=c("val1", "val2")) plot(Area1) ## Stacked chart Area2 <- gvisAreaChart(df, xvar="country", yvar=c("val1", "val2"), options=list(isStacked=TRUE)) plot(Area2) ## Add a customised title Area3 <- gvisAreaChart(df, xvar="country", yvar=c("val1", "val2"), options=list(title="Hello World", titleTextStyle="{color:'red',fontName:'Courier',fontSize:16}")) plot(Area3) ## Not run: ## Change y-axis to percentages Area3 <- gvisAreaChart(df, xvar="country", yvar=c("val1", "val2"), options=list(vAxis="{format:'#,###%'}")) plot(Area3) ## End(Not run)
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