https://blog.youkuaiyun.com/wangisherozh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/wangishero/article/details/52761172https://blog.youkuaiyun.com/wangishero/article/details/52761172wangisheroSat, 08 Oct 2016 22:29:57 +0800 a <- c(5,4,3,2) > b <-2 > which(b%in%a) [1] 1 > ?which > a <- c(5) > which(b%in%a) integer(0) > a <- c(5,]]>https://blog.youkuaiyun.com/wangishero/article/details/52570505https://blog.youkuaiyun.com/wangishero/article/details/52570505wangisheroSun, 18 Sep 2016 06:00:53 +0800https://blog.youkuaiyun.com/wangishero/article/details/52557762https://blog.youkuaiyun.com/wangishero/article/details/52557762wangisheroFri, 16 Sep 2016 21:20:06 +0800https://blog.youkuaiyun.com/wangishero/article/details/51873853https://blog.youkuaiyun.com/wangishero/article/details/51873853wangisheroSun, 10 Jul 2016 22:28:46 +0800 install_from_swirl("Statistical Inference") Error in curl::curl_fetch_memory(url, handle = handle) : Problem with the SSL CA cert (path? access rights?) > library(RCurl) 载]]>https://blog.youkuaiyun.com/wangishero/article/details/51416539https://blog.youkuaiyun.com/wangishero/article/details/51416539wangisheroSun, 15 May 2016 12:21:06 +0800