Apple Motion 1.0.1 Manual do Utilizador descarregar pdf (Página 21)

Figure 6: A geo chart with options set for a colour axis.

2.7.1 Chart Editor

A special option for all charts is gvis.editor, which adds an edit button to the

page, allowing the user to edit, change and customise the chart on the ﬂy, see

the following example and Figure 7. The content of the list item gvis.editor

describes the label of the browser button

R> Editor <- gvisLineChart(df, options=list(gvis.editor='Edit me!'))

R> plot(Editor)

2.7.2 Dealing with apostrophes in column names

The googleVis package converts data frames into JSON objects. The column

names of the resulting JSON tables are encapsulated with single speech marks, see

lines 12 – 16 of the code example on page 5.

Hence apostrophes in column names of your input data frame have to be encapsu-

lated by a double backslash.

Here is a little example, see the output in Figure 8.

R> df <- data.frame("Year"=c(2009,2010), "Lloyd\\'s"=c(86.1, 93.3),

+ "Munich Re\\'s R/I"=c(95.3, 100.5),

+ check.names=FALSE)

R> df

See also https://google-developers.appspot.com/chart/interactive/docs/drawing_

charts#charteditor

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Apple Motion 1.0.1 Manual do Utilizador Página 21