gvisPieChart: Google Pie Chart with R \Sexpr{googleChartName <- "piechart"}...

Usage Arguments Value Author(s) References See Also Examples

View source: R/gvisPieGaugeChart.R

The gvisPieChart 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. The actual chart is rendered by the web browser using SVG or VML.

Usage

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gvisPieChart(data, labelvar = "", numvar = "", options = list(), chartid)

Arguments

data

a data.frame to be displayed as a pie chart

labelvar

Name of the character column which contains the category labels for the slice labels.

numvar

a vector of column names of the numerical variables of the slice values.

options

list of configuration options for Google Pie Charts, 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 tempfile

Value

\Sexpr[results=rd]{paste(gvisChartName)}

returns list of class \Sexpr[results=rd]{paste(readLines(file.path(".", "inst", "mansections", "gvisOutputStructure.txt")))}

Author(s)

Markus Gesmann [email protected],

Diego de Castillo [email protected]

References

Google Chart Tools API: \Sexpr[results=rd]{gsub("CHARTNAME", googleChartName, readLines(file.path(".", "inst", "mansections", "GoogleChartToolsURL.txt")))}

See Also

See also print.gvis, plot.gvis for printing and plotting methods

Examples

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## Please note that by default the googleVis plot command
## will open a browser window and requires an internet
## connection to display the visualisation.

Pie1 <- gvisPieChart(CityPopularity)
plot(Pie1)

## Doughnut chart - a pie with a hole
Pie2 <- gvisPieChart(CityPopularity, options=list(
                    slices="{4: {offset: 0.2}, 0: {offset: 0.3}}",
                    title='City popularity',
                    legend='none',
                    pieSliceText='label',
                    pieHole=0.5))
plot(Pie2)

googleVis documentation built on May 30, 2017, 2:59 a.m.