拿第78页的xml片段作为xml文件,跑接下来的语句报错。
> mol <- getNodeSet(mi1, "/*/molecule[.//name/text() = ’frm-1’]")
Error in xpathApply.XMLInternalDocument(doc, path, fun, ..., namespaces = namespaces, :
error evaluating xpath expression /*/molecule[.//name/text() = ’frm-1’]
怎么样跑通这个xpath query呢?