Description Usage Arguments Value Examples
Extracts a numeric value (integer, real or rational) from an XML tree written according to the XMCDA
standard and returns it as a real number.
1 | getNumericValue(tree)
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tree |
Object containing the |
The function returns a float based on the numeric value read.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | tree = newXMLDoc()
newXMLNode("xmcda:XMCDA",
namespace = c("xsi" = "http://www.w3.org/2001/XMLSchema-instance",
"xmcda" = "http://www.decision-deck.org/2009/XMCDA-2.0.0"),
parent=tree)
root<-getNodeSet(tree, "/xmcda:XMCDA")
val<-newXMLNode("value", parent=root[[1]], namespace=c())
newXMLNode("real",3.14,parent=val, namespace=c())
y<-getNodeSet(tree,"//value")
x<-getNumericValue(y)
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