在R语言中使用COM
我正在尝试让 R 的 rcom 包正常工作。它似乎已经安装好：
> install.packages("rcom");
--- Please select a CRAN mirror for use in this session ---
trying URL 'http://mira.sunsite.utk.edu/CRAN/bin/windows/contrib/2.9/rcom_2.2-1.zip'
Content type 'application/zip' length 204632 bytes (199 Kb)
opened URL
downloaded 199 Kb
package 'rcom' successfully unpacked and MD5 sums checked
The downloaded packages are in
C:\Users\solomon\AppData\Local\Temp\Rtmpzb5oi4\downloaded_packages
updating HTML package descriptions
然后我尝试运行一些东西：
>comCreateObject("Excel.Application");
Error: could not find function "comCreateObject"
我缺少什么，manual 告诉我 comCreateObject 是合适的命令。不过，该手册的版本有些旧。还有其他人有任何见解吗？
I am trying to get the rcom package for R working. It seems to have installed ok:
> install.packages("rcom");
--- Please select a CRAN mirror for use in this session ---
trying URL 'http://mira.sunsite.utk.edu/CRAN/bin/windows/contrib/2.9/rcom_2.2-1.zip'
Content type 'application/zip' length 204632 bytes (199 Kb)
opened URL
downloaded 199 Kb
package 'rcom' successfully unpacked and MD5 sums checked
The downloaded packages are in
C:\Users\solomon\AppData\Local\Temp\Rtmpzb5oi4\downloaded_packages
updating HTML package descriptions
Then I try to run something:
>comCreateObject("Excel.Application");
Error: could not find function "comCreateObject"
What am I missing, the manual tells me that comCreateObject is the appropriate command. However, the manual's version is somewhat old. Anyone else have any insights?
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评论（1）
我可以在这里看到一些潜在的问题 - rcom 有一个奇怪的安装。
您是否加载了该软件包 - 即安装后运行
library(rcom)？我知道，我知道 - 但我总是忘记那一步，它肯定会给你“找不到函数”错误。您是否运行了
installstatconnDCOM()命令？我几乎没有注意到它告诉我要这样做。I can see a couple of potential problems here - rcom has a weird installation.
Did you load the package - that is, run
library(rcom)after installing it? I know, I know - but I forget that step all the time, and it would definitely give you the "could not find function" error.Did you run the
installstatconnDCOM()command? I almost didn't notice it telling me to do this.