我在这里看到了类似的问题并实施了解决方案，但似乎仍然无法解决这个问题。还是一个 R 新手，所以请耐心等待：我已经设法使用 rvest从该网站获取了巴拉克·奥巴马 (Barack Obama) 的演讲表：
library(rvest)
page <- read_html("http://www.americanrhetoric.com/barackobamaspeeches.htm")
speeches <- page %>%
html_nodes(xpath = '//*[@id="AutoNumber1"]') %>%
html_table(fill=TRUE)
speeches <- speeches[[1]][,2:4]
head(speeches)
产生：
X2 X3 X4
1 <NA> <NA> <NA>
2 Delivery Date Speech Title/Text/MultiMedia Audio
3 27 July 2004 Democratic National Convention Keynote Speech mp3
4 06 January 2005 Senate Speech on Ohio Electoral Vote Counting mp3
5 04 June 2005 Knox College Commencement Speech mp3
6 15 December 2005 Senate Speech on the PATRIOT Act …