为什么R找不到函数“ getStates”
[英]Why can R not find function “getStates”
问题描述
I am trying to create a character map and was recommended to use Phylotools and Ape packages in R. 
我正在尝试创建字符映射，建议在R中使用Phylotools和Ape软件包。
I have installed the packages but when I try to do function getStates it comes up with an error message: 我已经安装了软件包，但是当我尝试执行功能getStates它会出现错误消息：
x<-getStates(nexdata,"tips")
Error in getStates(nexdata, "tips") : could not find function "getStates"
I have installed the right packages (so I think) and I am quite stuck. 我已经安装了正确的软件包（所以我认为），我非常困惑。 Any help would be really appreciated. 任何帮助将非常感激。 If you need me to explain anything in more detail let me know. 如果您需要我详细解释任何事情，请告诉我。
1 个解决方案
解决方案1
1 2019-08-13 11:13:43
The function library() loads and attaches add-on packages. 函数library()加载并附加附加软件包。 You are using phytools and ape , so you should have in your code 您正在使用phytools和ape ，因此您应该在代码中使用
library(phytools)
library(ape)
You can read more in the documentation, eg at rdocumentation.org/packages/base/versions/3.6.1/topics/library . 您可以在文档中阅读更多信息，例如rdocumentation.org/packages/base/versions/3.6.1/topics/library 。
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