gvisOrgChart(data, idvar = "", parentvar = "", tipvar = "",
options = list(), chartid)data.frame. The data has to have at
least three columns. Each row in the data table describes
one node (a rectangle in the graph). Each node (except
the root node) has one or more parent nodes. Each node is
sized and colored accordidata describing the ID
for each node. It should be unique among all nodes, and
can include any characters, including spaces. This is
shown on the node. You can specify a formatted value to
show on the chart instead, butdata that match to
entries in idvar. If this is a root node, leave
this NA. Only one root is allowed.data for the tip
variable. Tool-tip text to show, when a user hovers over
this node.