bioMart包错误：请求bioMart web服务失败_R

bioMart包错误：请求bioMart web服务失败

bioMart包错误：请求bioMart web服务失败,r,R,我正在尝试使用连接列出bioMart包中的数据集 listMarts() 但是我得到了下面的错误 Request to BioMart web service failed. Verify if you are still connected to the internet. Alternatively the BioMart web service is temporarily down. Check http://www.biomart.org and verify if this w

我正在尝试使用连接列出bioMart包中的数据集

listMarts()

但是我得到了下面的错误

Request to BioMart web service failed. Verify if you are still connected to the internet.  Alternatively the BioMart web service is temporarily down.  Check http://www.biomart.org and verify if this website is available.
Error: XML content does not seem to be XML:

我做错了什么。我试着在不同的论坛上搜索不同的解决方案，但我仍然得到相同的错误