请教一下rvest怎么运行报错呢？



> library(rvest) #抓取网页数据
Loading required package: xml2
Warning messages:
1: package ‘rvest’ was built under R version 3.3.0
2: package ‘xml2’ was built under R version 3.3.0
> library(stringr) #处理文本
>
> url = 'https://www.gov.uk/government/announcements?keywords=&announcement_type_option=press-releases&topics[]=all&departments[]=all&world_locations[]=all&from_date=&to_date=01%2F07%2F2010'
> first = url %>% html() %>% html_nodes("h3 a") %>% html_attrs()
Error in read_connection_(x, n) :
function 'enterRNGScope' not provided by package 'Rcpp'
In addition: Warning message:
'html' is deprecated.
Use 'read_html' instead.
See help("Deprecated")