Determines the number of siblings of an XML element, i.e. elements on the same hierarchical level.
fxml_numSiblings(xmlflat.df, elemid)
xmlflat.df | A flat XML dataframe created with |
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elemid | The ID of the XML element. The ID is the value of the |
The number of siblings of the XML element with ID elemid
.
# Load example file with population data from United Nations Statistics Division # and create flat dataframe example <- system.file("worldpopulation.xml", package="flatxml") xml.dataframe <- fxml_importXMLFlat(example) # Determine the number of siblings (elements on the same hierarchy level) of the XML element # with ID 4 (xml.dataframe$elemid. == 4) fxml_numSiblings(xml.dataframe, 4)#> [1] 4