Description Usage Arguments Value Author(s) See Also Examples
Determines if an XML element carries a value.
1 | fxml_hasValue(xmlflat.df, elemid)
|
xmlflat.df |
A flat XML dataframe created with |
elemid |
The ID of the XML element. The ID is the value of the |
TRUE
if the XML element has a value (not being equal to NA
), FALSE
otherwise.
Joachim Zuckarelli joachim@zuckarelli.de
1 2 3 4 5 6 7 | # 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)
# Check if element with ID 4 (xml.dataframe$elemid. == 4) carries a value
fxml_hasValue(xml.dataframe, 4)
|
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