return_if_node_exists | R Documentation |
Get an EML element at a specified address if it exists in the EML list (emld)
return_if_node_exists(qlist, nodeid = 1)
qlist |
An EML list address to query |
nodeid |
Name (char) or index (int) of the element to check existence of and return if present in qlist |
NA if address is NULL or nodeid doesn't exist, otherwise the element value at qlist/nodeid
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.