Description Usage Arguments Value Examples
Extract XML nodes from an efetch
object.
1 2 3 4 5 | ## S4 method for signature 'efetch,character,missing'
x[i, j]
## S4 method for signature 'efetch,character'
x[[i]]
|
x |
An |
i |
An XPath expression specifying the XML nodes to extract. |
j |
Ignored. |
An XML node set.
1 2 3 4 5 |
Warning: CurlError: Failed to connect to eutils.ncbi.nlm.nih.gov port 443: Connection refused
NULL
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.