blocks|key|1226538|text|tcltk不是一个典型的包。它可能已经安装在您的系统上，并且不能使用通常的install.packages过程安装，因为它不在CRAN上(就像R附带的基本包，比如stats等等)。而且，tcltk2与tcltk不一样；它是一个扩展(并依赖于)+tcltk功能的包。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1226539|所以，从以下几个方面开始：|1226540|>+capabilities("tcltk")
tcltk+
+TRUE|code-block|syntax|javascript|1226541|如果返回到FALSE，这意味着您的R不是用tcltk支持构建的。你没有说你使用的是什么操作系统，所以帮助你有点困难。|1226542|也就是说，如果您使用的是Linux，则需要重新构建R+有tcltk支持。这应该是相对简单的。基本上，确保Tcl和tk在您的系统上可以在一个标准位置(类似于sudo+apt-get+install+tcl8.5-dev+tk8.5-dev)可用，然后按照通常的步骤重建R。|BOLD|1226543|如果您使用的是Mac+，则会遇到与John+Fox在这里描述了与Rcmdr有关的内容。相同的错误。简而言之，这可能是两件事中的一件：|1226544|与安装Tcl的目录相关的文件权限问题。引用Fox的话：“您可以通过在R命令提示符下发出以下命令来验证此问题的来源：
系统(ls+-ld+/usr/local+/usr/local/lib+/usr/local+/lib/libtcl*)#+ls:+/usr/local/lib/lib:权限被拒绝#+ls:+/usr/lib/libtcl*：权限被拒绝#drwx|ordered-list-item|1226545|如果系统命令的输出与上述类似，则应该转到终端并执行以下操作：sudo+chmod+-R+a%2BrX+/usr/local并输入密码以更改目录权限。|1226546|你有一个过时的版本。尝试运行Mac软件更新。|1226547|它也可以通过创建一个符号链接如本答案所述来解决。|1226548|除非您在没有tcl/tk支持的情况下从源代码中构建R，否则在上永远不会出现这种情况。|1226549|entityMap|0|LINK|mutability|MUTABLE|url|http://cran.r-project.org/doc/manuals/R-admin.html#Tcl_002fTk|1|http://socserv.mcmaster.ca/jfox/Misc/Rcmdr/installation-notes.html|2|https://stackoverflow.com/questions/26461888/rcmdr-launch-error-in-yosemite-os-x-10-10^0|0|5|11|G|29|5|2L|6|2S|5|3E|5|0|0|0|5|5|0|C|5|25|15|R|8|0|0|7|4|H|Q|1|0|0|U|T|0|0|E|6|2|0|0^^$0|@$1|2|3|4|5|6|7|1G|8|@$9|1H|A|1I|B|C]|$9|1J|A|1K|B|C]|$9|1L|A|1M|B|C]|$9|1N|A|1O|B|C]|$9|1P|A|1Q|B|C]|$9|1R|A|1S|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|1T|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|1U|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|1V|8|@$9|1W|A|1X|B|C]]|D|@]|E|$]]|$1|O|3|P|5|6|7|1Y|8|@$9|1Z|A|20|B|Q]|$9|21|A|22|B|C]]|D|@$9|23|A|24|1|25]]|E|$]]|$1|R|3|S|5|6|7|26|8|@$9|27|A|28|B|Q]]|D|@$9|29|A|2A|1|2B]]|E|$]]|$1|T|3|U|5|V|7|2C|8|@]|D|@]|E|$]]|$1|W|3|X|5|6|7|2D|8|@$9|2E|A|2F|B|C]]|D|@]|E|$]]|$1|Y|3|Z|5|V|7|2G|8|@]|D|@]|E|$]]|$1|10|3|11|5|6|7|2H|8|@]|D|@$9|2I|A|2J|1|2K]]|E|$]]|$1|12|3|13|5|6|7|2L|8|@]|D|@]|E|$]]|$1|14|3|-4|5|6|7|2M|8|@]|D|@]|E|$]]]|15|$16|$5|17|18|19|E|$1A|1B]]|1C|$5|17|18|19|E|$1A|1D]]|1E|$5|17|18|19|E|$1A|1F]]]]

<code>tcltk</code> is not a typical package. It's probably already installed on your system and it cannot be installed using the usual <code>install.packages</code> procedure because it is not on CRAN (just like the base packages that come with R, like <code>stats</code>, etc.). Also, <code>tcltk2</code> is not the same as <code>tcltk</code>; that is a package that expands upon (and depends on) the functionality of <code>tcltk</code>.

So, start with this:

<pre><code>&gt; capabilities("tcltk")
tcltk 
 TRUE
</code></pre>

If that comes back <code>FALSE</code> it means that your R was not built with tcltk support. You don't say what OS you're using, so it's a little bit difficult to help you.

That said, if you're on Linux, you need to rebuild R <a href="http://cran.r-project.org/doc/manuals/R-admin.html#Tcl_002fTk" rel="noreferrer">with tcltk support</a>. This should be relatively straightforward. Basically, make sure Tcl and tk are available on your system in a standard location (something like <code>sudo apt-get install tcl8.5-dev tk8.5-dev</code>) and then rebuild R per usual procedures.

If you're on Mac OS, you're encountering the same error that <a href="http://socserv.mcmaster.ca/jfox/Misc/Rcmdr/installation-notes.html" rel="noreferrer">John Fox describes here in relation to Rcmdr</a>. In short, it's probably one of two things:

<ol>
<li>A file permission issue related to the directory where you have Tcl installed. To quote Fox: "You can verify the source of this problem by issuing the following command at the R command prompt:

<pre><code>system("ls -ld /usr/local /usr/local/lib /usr/local/lib/libtcl*")
# ls: /usr/local/lib: Permission denied
# ls: /usr/local/lib/libtcl*: Permission denied
# drwx------ 8 root wheel 272 Sep 24 10:21 /usr/local
</code></pre></li>
</ol>

If the output of the system command looks like the above, you should go to Terminal and do the following: <code>sudo chmod -R a+rX /usr/local</code> and enter your password to change directory permissions.

<ol start="2">
<li>You have an out-dated version of X-Windows. Try running Mac OS Software Update.</li>
</ol>

It may also be solvable by creating a symbolic link <a href="https://stackoverflow.com/questions/26461888/rcmdr-launch-error-in-yosemite-os-x-10-10">as described in this answer</a>.

This should never come up on Windows, unless you built R from source without tcl/tk support.

blocks|key|2833584|text|删除位置上的X11文件:+/opt|type|ordered-list-item|depth|inlineStyleRanges|entityRanges|data|2833585|删除应用程序上的X11|2833586|重新安装X11|2833587|问题解决了..。|unstyled|2833588|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|M|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|N|8|@]|9|@]|A|$]]|$1|I|3|-4|5|H|7|O|8|@]|9|@]|A|$]]]|J|$]]

<ol>
<li>delete the X11 file on location : /opt</li>
<li>delete the X11 on application unitiltiy</li>
<li>reinstall X11 again</li>
</ol>

Problem solved...

blocks|key|1226578|text|R的正式安装说明说：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1226579|注意:使用X11+(包括tcltk)需要安装XQuartz，因为它不再是OS的一部分。在将OS升级到新的主要版本时，一定要重新安装XQuartz。|blockquote|1226580|因此:如果您想在R中使用XQuartz包，只需安装tcltk。|style|CODE|1226581|entityMap|0|LINK|mutability|MUTABLE|url|https://cran.r-project.org/|1|http://xquartz.macosforge.org/^0|0|8|0|0|M|7|1|0|P|5|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@$A|V|B|W|1|X]]|C|$]]|$1|D|3|E|5|F|7|Y|8|@]|9|@$A|Z|B|10|1|11]]|C|$]]|$1|G|3|H|5|6|7|12|8|@$A|13|B|14|I|J]]|9|@]|C|$]]|$1|K|3|-4|5|6|7|15|8|@]|9|@]|C|$]]]|L|$M|$5|N|O|P|C|$Q|R]]|S|$5|N|O|P|C|$Q|T]]]]

The <a href="https://cran.r-project.org/" rel="noreferrer">official installation instructions for R</a> say:

<blockquote>
 Note: the use of X11 (including tcltk) requires <a href="http://xquartz.macosforge.org/" rel="noreferrer">XQuartz</a> to be
 installed since it is no longer part of OS X. Always re-install
 XQuartz when upgrading your OS X to a new major version.
</blockquote>

So: Simply (re)install XQuartz if you want to use the <code>tcltk</code> package in R.

blocks|key|1226614|text|在Arch上，tk是一个独立于tcl的包，两者都需要安装：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1226615|sudo+pacman+-S+tcl+tk|code-block|syntax|javascript|1226616|这是假定来自R的capabilities("tcltk")输出是TRUE+(这意味着您的R是用tcltk支持编译的，正如前面在这里的答案中所指出的，如果您从arch+repos安装它，应该是这样的)。|1226617|entityMap^0|7|2|F|3|0|0|8|L|W|4|1B|5|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]|$9|R|A|S|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|T|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|U|8|@$9|V|A|W|B|C]|$9|X|A|Y|B|C]|$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|M|3|-4|5|6|7|11|8|@]|D|@]|E|$]]]|N|$]]

On Arch Linux, <code>tk</code> is a separate package from <code>tcl</code> and both need to be installed:

<pre class="lang-sh prettyprint-override"><code>sudo pacman -S tcl tk
</code></pre>

This is given that the output from <code>capabilities("tcltk")</code> with R is <code>TRUE</code> (which means your R is compiled with <code>tcltk</code> support as noted previously in the answers here, this should be the case if you installed it from the arch repos).

blocks|key|2833682|text|Mac用户最简单的答案是：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2833683|1-使用brew安装tcl-tk：|2833684|brew+install+tcl-tk|code-block|syntax|javascript|2833685|2-运行以下代码：|2833686|ln+-s+/usr/local/Cellar/tcl-tk/$version/lib/libtcl8.6.dylib+/usr/local/lib/libtcl8.6.dylib
ln+-s+/usr/local/Cellar/tcl-tk/$version/lib/libtk8.6.dylib+/usr/local/lib/libtk8.6.dylib|2833687|问题解决了！|2833688|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|R|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|S|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|T|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|U|8|@]|9|@]|A|$G|H]]|$1|M|3|N|5|6|7|V|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

Easiest answer for Mac users:
1- Install tcl-tk using brew:
<pre><code>brew install tcl-tk
</code></pre>
2- Run the following code:
<pre><code>ln -s /usr/local/Cellar/tcl-tk/$version/lib/libtcl8.6.dylib /usr/local/lib/libtcl8.6.dylib
ln -s /usr/local/Cellar/tcl-tk/$version/lib/libtk8.6.dylib /usr/local/lib/libtk8.6.dylib
</code></pre>
Problem solved!

I have a general question about how to effectively load any kind of external package into R. I have found that many sources detailing this information are simply insufficient, but I will leave out mentioning those respective URLs. I have successfully loaded external packages into R before, but I am having difficulties loading the <code>fgui</code> package.

In my specific case, I cannot load the library <code>fgui</code> into R Studio. First I download directly from CRAN with the command:

<pre><code>install.packages("fgui", lib="~/Documents/R_dir")
</code></pre>

This works fine for me. My working directory is set to ~/Documents/R_dir

The next command I use is:

<pre><code>library("fgui", lib.loc="~/Documents/R_dir")
</code></pre>

The error I get is:

<pre><code>Error : .onLoad failed in loadNamespace() for 'tcltk', details:
call: dyn.load(file, DLLpath = DLLpath, ...)
error: unable to load shared object '/Library/Frameworks/R.framework/Versions/3.1/Resources/library/tcltk/libs/tcltk.so':
dlopen(/Library/Frameworks/R.framework/Versions/3.1/Resources/library/tcltk/libs/tcltk.so, 10): Library not loaded: /opt/X11/lib/libX11.6.dylib
Referenced from: /Library/Frameworks/R.framework/Versions/3.1/Resources/library/tcltk/libs/tcltk.so
Reason: image not found
Error: package or namespace load failed for ‘fgui’
</code></pre>

I have examined the thread "<a href="https://stackoverflow.com/questions/6066130/error-when-trying-to-load-libraryggplot2-in-r">Error when trying to load library(ggplot2) in R</a>" but it did not answer my question. 

Please help me with any suggestions to get the package <code>fgui</code> to work properly in R Studio and feel free to address the more general issue of effectively loading external packages into R.

Error ".onLoad failed in loadNamespace() for 'tcltk'"

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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关于如何有效地将任何类型的外部包加载到R中，我有一个一般性的问题。我发现许多详细说明这些信息的来源都是不够的，但我将省略提及这些各自的URL。我以前已经成功地将外部包加载到R中，但是加载fgui包时遇到了困难。在我的具体情况下，我不能将库fgui加载到R中。首先，我使用命令直接从CRAN下载：install.packa...

问错误".onLoad在‘tcltk’的loadNamespace()中失败“
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问错误".onLoad在‘tcltk’的loadNamespace()中失败“EN