diff --git a/dist/kadmos-0.6.dev0-py2-none-any.whl b/dist/kadmos-0.6.dev0-py2-none-any.whl
index b8c09d1bede45af8f137fc5d6da131903ff5b918..40674589c7dca29d002f468277a042c00c29fb74 100644
Binary files a/dist/kadmos-0.6.dev0-py2-none-any.whl and b/dist/kadmos-0.6.dev0-py2-none-any.whl differ
diff --git a/dist/kadmos-0.6.dev0.tar.gz.REMOVED.git-id b/dist/kadmos-0.6.dev0.tar.gz.REMOVED.git-id
index 6f8fb4ac5fd3a6ec23fd598738dcfa7a83c200d6..a14027f0649d10c2b4189b78c016178a3b29f426 100644
--- a/dist/kadmos-0.6.dev0.tar.gz.REMOVED.git-id
+++ b/dist/kadmos-0.6.dev0.tar.gz.REMOVED.git-id
@@ -1 +1 @@
-acddea9c854e6dcb324386a69f352b977cdf6a68
\ No newline at end of file
+740f4a41e3444a089d960ed6e590afa6294af563
\ No newline at end of file
diff --git a/doc/.doctrees/KADMOS.doctree b/doc/.doctrees/KADMOS.doctree
index 4396969deb95ccd8c9bcc4acf9da34012d967941..48899a673bbcb5aa02749d8a05c02c4d2f187b78 100644
Binary files a/doc/.doctrees/KADMOS.doctree and b/doc/.doctrees/KADMOS.doctree differ
diff --git a/doc/.doctrees/environment.pickle b/doc/.doctrees/environment.pickle
index 72ef9d8a7c7e3fee1f11f248db992ac69c32d0b4..c3f8e31ffced08ad75ddf515029d108eb19368d1 100644
Binary files a/doc/.doctrees/environment.pickle and b/doc/.doctrees/environment.pickle differ
diff --git a/doc/KADMOS.html b/doc/KADMOS.html
index cd4bf2693d5cc719386ecf77ed76a4ce7af6a01b..c7ce914b4fcddc8399cfe86cfa54ff2ff198a1c6 100644
--- a/doc/KADMOS.html
+++ b/doc/KADMOS.html
@@ -248,113 +248,6 @@ nodes.</p>
 </div>
 </dd></dl>
 
-<dl class="method">
-<dt id="kadmos.graph.KadmosGraph.add_nodes_subcategory">
-<code class="descname">add_nodes_subcategory</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#kadmos.graph.KadmosGraph.add_nodes_subcategory" title="Permalink to this definition">¶</a></dt>
-<dd><p>Function to analyze and sort the graph nodes according to different variable descriptions.</p>
-<table border="1" class="docutils">
-<colgroup>
-<col width="25%" />
-<col width="47%" />
-<col width="13%" />
-<col width="15%" />
-</colgroup>
-<thead valign="bottom">
-<tr class="row-odd"><th class="head">CATEGORY OF NODE</th>
-<th class="head">SUBCATEGORY</th>
-<th class="head">INDEGREE</th>
-<th class="head">OUTDEGREE</th>
-</tr>
-</thead>
-<tbody valign="top">
-<tr class="row-even"><td rowspan="9">variable</td>
-<td>hole</td>
-<td>0</td>
-<td>0</td>
-</tr>
-<tr class="row-odd"><td>supplied input</td>
-<td>0</td>
-<td>1</td>
-</tr>
-<tr class="row-even"><td>supplied shared input</td>
-<td>0</td>
-<td>&gt;1</td>
-</tr>
-<tr class="row-odd"><td>output</td>
-<td>1</td>
-<td>0</td>
-</tr>
-<tr class="row-even"><td>collision</td>
-<td>&gt;1</td>
-<td>0</td>
-</tr>
-<tr class="row-odd"><td><dl class="first docutils">
-<dt>coupling</dt>
-<dd>or</dd>
-</dl>
-<p class="last">pure circular coupling</p>
-</td>
-<td>1</td>
-<td>1</td>
-</tr>
-<tr class="row-even"><td><dl class="first docutils">
-<dt>shared coupling</dt>
-<dd>or</dd>
-</dl>
-<p class="last">shared circular coupling</p>
-</td>
-<td>1</td>
-<td>&gt;1</td>
-</tr>
-<tr class="row-odd"><td><dl class="first docutils">
-<dt>collided coupling</dt>
-<dd>or</dd>
-</dl>
-<p class="last">collided circular coupling</p>
-</td>
-<td>&gt;1</td>
-<td>1</td>
-</tr>
-<tr class="row-even"><td><dl class="first docutils">
-<dt>collided shared coupling</dt>
-<dd>or</dd>
-</dl>
-<p class="last">collided shared circular coupling</p>
-</td>
-<td>&gt;1</td>
-<td>&gt;1</td>
-</tr>
-<tr class="row-odd"><td rowspan="4">function</td>
-<td>hole</td>
-<td>0</td>
-<td>0</td>
-</tr>
-<tr class="row-even"><td>inputless</td>
-<td>0</td>
-<td>&gt;0</td>
-</tr>
-<tr class="row-odd"><td>outputless</td>
-<td>&gt;0</td>
-<td>0</td>
-</tr>
-<tr class="row-even"><td>complete</td>
-<td>&gt;0</td>
-<td>&gt;0</td>
-</tr>
-</tbody>
-</table>
-<table class="docutils field-list" frame="void" rules="none">
-<col class="field-name" />
-<col class="field-body" />
-<tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">dictionary with sorted variables</td>
-</tr>
-<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">dict</td>
-</tr>
-</tbody>
-</table>
-</dd></dl>
-
 <dl class="method">
 <dt id="kadmos.graph.KadmosGraph.add_objective_function_by_nodes">
 <code class="descname">add_objective_function_by_nodes</code><span class="sig-paren">(</span><em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#kadmos.graph.KadmosGraph.add_objective_function_by_nodes" title="Permalink to this definition">¶</a></dt>
@@ -1200,38 +1093,6 @@ with function connections, such that</p>
 <dd><p>This function returns a list of all function nodes in the graph.</p>
 </dd></dl>
 
-<dl class="method">
-<dt id="kadmos.graph.KadmosGraph.get_graph_nodes_indegree">
-<code class="descname">get_graph_nodes_indegree</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#kadmos.graph.KadmosGraph.get_graph_nodes_indegree" title="Permalink to this definition">¶</a></dt>
-<dd><p>Function to get the indegree of all the graph nodes and store them in a dictionary.</p>
-<table class="docutils field-list" frame="void" rules="none">
-<col class="field-name" />
-<col class="field-body" />
-<tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">dictionary with node name key and indegree integer value.</td>
-</tr>
-<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">dict</td>
-</tr>
-</tbody>
-</table>
-</dd></dl>
-
-<dl class="method">
-<dt id="kadmos.graph.KadmosGraph.get_graph_nodes_outdegree">
-<code class="descname">get_graph_nodes_outdegree</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#kadmos.graph.KadmosGraph.get_graph_nodes_outdegree" title="Permalink to this definition">¶</a></dt>
-<dd><p>Function to get the outdegree of all the graph nodes and store them in a dictionary.</p>
-<table class="docutils field-list" frame="void" rules="none">
-<col class="field-name" />
-<col class="field-body" />
-<tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">dictionary with node name key and outdegree integer value.</td>
-</tr>
-<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">dict</td>
-</tr>
-</tbody>
-</table>
-</dd></dl>
-
 <dl class="method">
 <dt id="kadmos.graph.KadmosGraph.get_graph_properties">
 <code class="descname">get_graph_properties</code><span class="sig-paren">(</span><em>*args</em><span class="sig-paren">)</span><a class="headerlink" href="#kadmos.graph.KadmosGraph.get_graph_properties" title="Permalink to this definition">¶</a></dt>
@@ -1280,7 +1141,99 @@ returned in a dict. If arguments are given, only this list will be used as stand
 <dl class="method">
 <dt id="kadmos.graph.KadmosGraph.get_node_subcategory">
 <code class="descname">get_node_subcategory</code><span class="sig-paren">(</span><em>node</em><span class="sig-paren">)</span><a class="headerlink" href="#kadmos.graph.KadmosGraph.get_node_subcategory" title="Permalink to this definition">¶</a></dt>
-<dd><p>Method to get the subcategory of a node.</p>
+<dd><p>Method to analyse a node and to update the subcategory attribute of the node.</p>
+<p>The following table illustrates how the subcategory is determined based on the category, indegree and outdegree:</p>
+<table border="1" class="docutils">
+<colgroup>
+<col width="25%" />
+<col width="47%" />
+<col width="13%" />
+<col width="15%" />
+</colgroup>
+<thead valign="bottom">
+<tr class="row-odd"><th class="head">CATEGORY OF NODE</th>
+<th class="head">SUBCATEGORY</th>
+<th class="head">INDEGREE</th>
+<th class="head">OUTDEGREE</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr class="row-even"><td rowspan="9">variable</td>
+<td>hole</td>
+<td>0</td>
+<td>0</td>
+</tr>
+<tr class="row-odd"><td>supplied input</td>
+<td>0</td>
+<td>1</td>
+</tr>
+<tr class="row-even"><td>supplied shared input</td>
+<td>0</td>
+<td>&gt;1</td>
+</tr>
+<tr class="row-odd"><td>output</td>
+<td>1</td>
+<td>0</td>
+</tr>
+<tr class="row-even"><td>collision</td>
+<td>&gt;1</td>
+<td>0</td>
+</tr>
+<tr class="row-odd"><td><dl class="first docutils">
+<dt>coupling</dt>
+<dd>or</dd>
+</dl>
+<p class="last">pure circular coupling</p>
+</td>
+<td>1</td>
+<td>1</td>
+</tr>
+<tr class="row-even"><td><dl class="first docutils">
+<dt>shared coupling</dt>
+<dd>or</dd>
+</dl>
+<p class="last">shared circular coupling</p>
+</td>
+<td>1</td>
+<td>&gt;1</td>
+</tr>
+<tr class="row-odd"><td><dl class="first docutils">
+<dt>collided coupling</dt>
+<dd>or</dd>
+</dl>
+<p class="last">collided circular coupling</p>
+</td>
+<td>&gt;1</td>
+<td>1</td>
+</tr>
+<tr class="row-even"><td><dl class="first docutils">
+<dt>collided shared coupling</dt>
+<dd>or</dd>
+</dl>
+<p class="last">collided shared circular coupling</p>
+</td>
+<td>&gt;1</td>
+<td>&gt;1</td>
+</tr>
+<tr class="row-odd"><td rowspan="4">function</td>
+<td>hole</td>
+<td>0</td>
+<td>0</td>
+</tr>
+<tr class="row-even"><td>inputless</td>
+<td>0</td>
+<td>&gt;0</td>
+</tr>
+<tr class="row-odd"><td>outputless</td>
+<td>&gt;0</td>
+<td>0</td>
+</tr>
+<tr class="row-even"><td>complete</td>
+<td>&gt;0</td>
+<td>&gt;0</td>
+</tr>
+</tbody>
+</table>
 <table class="docutils field-list" frame="void" rules="none">
 <col class="field-name" />
 <col class="field-body" />
@@ -1318,6 +1271,44 @@ to select the ones desired. The other matched nodes are disregarded.</p>
 </table>
 </dd></dl>
 
+<dl class="method">
+<dt id="kadmos.graph.KadmosGraph.get_nodes_indegree">
+<code class="descname">get_nodes_indegree</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#kadmos.graph.KadmosGraph.get_nodes_indegree" title="Permalink to this definition">¶</a></dt>
+<dd><p>Function to get the indegree of all the graph nodes and store them in a dictionary.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">dictionary with node name key and indegree integer value.</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">dict</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="kadmos.graph.KadmosGraph.get_nodes_outdegree">
+<code class="descname">get_nodes_outdegree</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#kadmos.graph.KadmosGraph.get_nodes_outdegree" title="Permalink to this definition">¶</a></dt>
+<dd><p>Function to get the outdegree of all the graph nodes and store them in a dictionary.</p>
+<table class="docutils field-list" frame="void" rules="none">
+<col class="field-name" />
+<col class="field-body" />
+<tbody valign="top">
+<tr class="field-odd field"><th class="field-name">Returns:</th><td class="field-body">dictionary with node name key and outdegree integer value.</td>
+</tr>
+<tr class="field-even field"><th class="field-name">Return type:</th><td class="field-body">dict</td>
+</tr>
+</tbody>
+</table>
+</dd></dl>
+
+<dl class="method">
+<dt id="kadmos.graph.KadmosGraph.get_nodes_subcategory">
+<code class="descname">get_nodes_subcategory</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#kadmos.graph.KadmosGraph.get_nodes_subcategory" title="Permalink to this definition">¶</a></dt>
+<dd><p>Method to analyse all nodes and to update the subcategory attributes of the nodes.</p>
+</dd></dl>
+
 <dl class="method">
 <dt id="kadmos.graph.KadmosGraph.get_number_of_couplings">
 <code class="descname">get_number_of_couplings</code><span class="sig-paren">(</span><em>node</em><span class="sig-paren">)</span><a class="headerlink" href="#kadmos.graph.KadmosGraph.get_number_of_couplings" title="Permalink to this definition">¶</a></dt>
@@ -1661,21 +1652,9 @@ through once.</dd>
 
 <dl class="method">
 <dt id="kadmos.graph.KadmosGraph.make_all_variables_valid">
-<code class="descname">make_all_variables_valid</code><span class="sig-paren">(</span><em>print_in_log=False</em><span class="sig-paren">)</span><a class="headerlink" href="#kadmos.graph.KadmosGraph.make_all_variables_valid" title="Permalink to this definition">¶</a></dt>
-<dd><p>Method to analyze all variables in a graph and make any problematic variables (holes, split-ables) valid.</p>
-<p>Splittable variables are split and holes will simply be removed.</p>
-<table class="docutils field-list" frame="void" rules="none">
-<col class="field-name" />
-<col class="field-body" />
-<tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>print_in_log</strong> (<em>bool</em>) &#8211; setting on whether to print split variables in the log</td>
-</tr>
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">Manipulated graph with split and removed variables</td>
-</tr>
-<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><a class="reference internal" href="#kadmos.graph.KadmosGraph" title="kadmos.graph.KadmosGraph">KadmosGraph</a></td>
-</tr>
-</tbody>
-</table>
+<code class="descname">make_all_variables_valid</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#kadmos.graph.KadmosGraph.make_all_variables_valid" title="Permalink to this definition">¶</a></dt>
+<dd><p>Method to analyze all variables in a graph and make any problematic variables valid.</p>
+<p>Problematic variable are holes and splittables. Splittable variables are split and holes will simply be removed.</p>
 </dd></dl>
 
 <dl class="method">
@@ -2338,7 +2317,7 @@ remove_node of a function node might lead to unconnected variables in the graph.
 <col class="field-name" />
 <col class="field-body" />
 <tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>args</strong> (<em>basestring</em>) &#8211; function node id(s)</td>
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>args</strong> (<em>str</em>) &#8211; function node id(s)</td>
 </tr>
 </tbody>
 </table>
@@ -2409,7 +2388,7 @@ the original graph (this changes the original graph).</dd>
 
 <dl class="method">
 <dt id="kadmos.graph.KadmosGraph.save">
-<code class="descname">save</code><span class="sig-paren">(</span><em>file_name</em>, <em>file_type='kdms'</em>, <em>graph_check_critical=True</em>, <em>destination_folder=None</em>, <em>mpg=None</em>, <em>description=''</em>, <em>creator=''</em>, <em>version='1.0'</em>, <em>timestamp=datetime.datetime(2017</em>, <em>6</em>, <em>23</em>, <em>14</em>, <em>38</em>, <em>57</em>, <em>869000)</em>, <em>keep_empty_elements=False</em>, <em>pretty_print=False</em><span class="sig-paren">)</span><a class="headerlink" href="#kadmos.graph.KadmosGraph.save" title="Permalink to this definition">¶</a></dt>
+<code class="descname">save</code><span class="sig-paren">(</span><em>file_name</em>, <em>file_type='kdms'</em>, <em>graph_check_critical=True</em>, <em>destination_folder=None</em>, <em>mpg=None</em>, <em>description=''</em>, <em>creator=''</em>, <em>version='1.0'</em>, <em>timestamp=datetime.datetime(2017</em>, <em>6</em>, <em>26</em>, <em>13</em>, <em>14</em>, <em>52</em>, <em>265000)</em>, <em>keep_empty_elements=False</em>, <em>pretty_print=False</em><span class="sig-paren">)</span><a class="headerlink" href="#kadmos.graph.KadmosGraph.save" title="Permalink to this definition">¶</a></dt>
 <dd><p>Method to save the graph.</p>
 <p>Different output file types are implemented for saving graphs. They are listed in the following.
 kdms: the most simple file type which makes use of pickling
@@ -2517,27 +2496,9 @@ as a weight.  If None, then each edge has weight 1.</dd>
 </div>
 </dd></dl>
 
-<dl class="method">
-<dt id="kadmos.graph.KadmosGraph.split_all_variables">
-<code class="descname">split_all_variables</code><span class="sig-paren">(</span><em>print_in_log=False</em><span class="sig-paren">)</span><a class="headerlink" href="#kadmos.graph.KadmosGraph.split_all_variables" title="Permalink to this definition">¶</a></dt>
-<dd><p>Method to simply split all problematic variables that can be split using the split_variables() method.</p>
-<table class="docutils field-list" frame="void" rules="none">
-<col class="field-name" />
-<col class="field-body" />
-<tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>print_in_log</strong> (<em>bool</em>) &#8211; setting on whether to print split variables in the log</td>
-</tr>
-<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">Manipulated graph with split variables</td>
-</tr>
-<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><a class="reference internal" href="#kadmos.graph.KadmosGraph" title="kadmos.graph.KadmosGraph">KadmosGraph</a></td>
-</tr>
-</tbody>
-</table>
-</dd></dl>
-
 <dl class="method">
 <dt id="kadmos.graph.KadmosGraph.split_variables">
-<code class="descname">split_variables</code><span class="sig-paren">(</span><em>*args</em>, <em>**kwargs</em><span class="sig-paren">)</span><a class="headerlink" href="#kadmos.graph.KadmosGraph.split_variables" title="Permalink to this definition">¶</a></dt>
+<code class="descname">split_variables</code><span class="sig-paren">(</span><em>*args</em><span class="sig-paren">)</span><a class="headerlink" href="#kadmos.graph.KadmosGraph.split_variables" title="Permalink to this definition">¶</a></dt>
 <dd><p>Method to split a problematic variable node into multiple separate valid nodes.</p>
 <p>The following variables are considered problematic and will be handled by this function:</p>
 <blockquote>
@@ -2592,11 +2553,7 @@ x1/variableInstance4 ====&gt; F6</p>
 <col class="field-name" />
 <col class="field-body" />
 <tbody valign="top">
-<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
-<li><strong>args</strong> (<em>basestring, list</em>) &#8211; problematic node in the graph</li>
-<li><strong>kwargs</strong> (<em>print_in_log: bool</em>) &#8211; print_in_log: keyword setting to print in log</li>
-</ul>
-</td>
+<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>args</strong> (<em>basestring, list</em>) &#8211; problematic node in the graph</td>
 </tr>
 </tbody>
 </table>
diff --git a/doc/genindex.html b/doc/genindex.html
index b3d98cd4aea6556a85b742008c32b22829ad8053..efa59d86c11140ce59dd42b324def7032092291c 100644
--- a/doc/genindex.html
+++ b/doc/genindex.html
@@ -97,19 +97,15 @@
   </dt>
 
       
-  <dt><a href="KADMOS.html#kadmos.graph.KadmosGraph.add_nodes_subcategory">add_nodes_subcategory() (kadmos.graph.KadmosGraph method)</a>
-  </dt>
-
-      
   <dt><a href="KADMOS.html#kadmos.graph.KadmosGraph.add_objective_function_by_nodes">add_objective_function_by_nodes() (kadmos.graph.KadmosGraph method)</a>
   </dt>
 
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
       
   <dt><a href="KADMOS.html#kadmos.graph.MdaoProcessGraph.add_parallel_process">add_parallel_process() (kadmos.graph.MdaoProcessGraph method)</a>
   </dt>
 
+  </dl></td>
+  <td style="width: 33%" valign="top"><dl>
       
   <dt><a href="KADMOS.html#kadmos.graph.KadmosGraph.add_path">add_path() (kadmos.graph.KadmosGraph method)</a>
   </dt>
@@ -383,14 +379,6 @@
   </dt>
 
       
-  <dt><a href="KADMOS.html#kadmos.graph.KadmosGraph.get_graph_nodes_indegree">get_graph_nodes_indegree() (kadmos.graph.KadmosGraph method)</a>
-  </dt>
-
-      
-  <dt><a href="KADMOS.html#kadmos.graph.KadmosGraph.get_graph_nodes_outdegree">get_graph_nodes_outdegree() (kadmos.graph.KadmosGraph method)</a>
-  </dt>
-
-      
   <dt><a href="KADMOS.html#kadmos.graph.KadmosGraph.get_graph_properties">get_graph_properties() (kadmos.graph.KadmosGraph method)</a>
   </dt>
 
@@ -398,8 +386,6 @@
   <dt><a href="KADMOS.html#kadmos.utilities.general.get_list_entries">get_list_entries() (in module kadmos.utilities.general)</a>
   </dt>
 
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
       
   <dt><a href="KADMOS.html#kadmos.utilities.general.get_mdao_setup">get_mdao_setup() (in module kadmos.utilities.general)</a>
   </dt>
@@ -408,6 +394,8 @@
   <dt><a href="KADMOS.html#kadmos.graph.FundamentalProblemGraph.get_mdg">get_mdg() (kadmos.graph.FundamentalProblemGraph method)</a>
   </dt>
 
+  </dl></td>
+  <td style="width: 33%" valign="top"><dl>
       
   <dt><a href="KADMOS.html#kadmos.graph.FundamentalProblemGraph.get_mg_function_ordering">get_mg_function_ordering() (kadmos.graph.FundamentalProblemGraph method)</a>
   </dt>
@@ -437,6 +425,18 @@
   </dt>
 
       
+  <dt><a href="KADMOS.html#kadmos.graph.KadmosGraph.get_nodes_indegree">get_nodes_indegree() (kadmos.graph.KadmosGraph method)</a>
+  </dt>
+
+      
+  <dt><a href="KADMOS.html#kadmos.graph.KadmosGraph.get_nodes_outdegree">get_nodes_outdegree() (kadmos.graph.KadmosGraph method)</a>
+  </dt>
+
+      
+  <dt><a href="KADMOS.html#kadmos.graph.KadmosGraph.get_nodes_subcategory">get_nodes_subcategory() (kadmos.graph.KadmosGraph method)</a>
+  </dt>
+
+      
   <dt><a href="KADMOS.html#kadmos.graph.KadmosGraph.get_number_of_couplings">get_number_of_couplings() (kadmos.graph.KadmosGraph method)</a>
   </dt>
 
@@ -834,10 +834,6 @@
   <dt><a href="KADMOS.html#kadmos.graph.KadmosGraph.size">size() (kadmos.graph.KadmosGraph method)</a>
   </dt>
 
-      
-  <dt><a href="KADMOS.html#kadmos.graph.KadmosGraph.split_all_variables">split_all_variables() (kadmos.graph.KadmosGraph method)</a>
-  </dt>
-
   </dl></td>
   <td style="width: 33%" valign="top"><dl>
       
diff --git a/doc/objects.inv b/doc/objects.inv
index ebbc927773af42c17cae48bd7239d6c0b69560a2..06462da4d1234e756278573401d835b3e463df6d 100644
Binary files a/doc/objects.inv and b/doc/objects.inv differ
diff --git a/doc/searchindex.js b/doc/searchindex.js
index 951e1803d403f11b18ec7c05067ad097c7b143cc..0f1496b55f4b8a5d4ef372dad4dab5f390b4684c 100644
--- a/doc/searchindex.js
+++ b/doc/searchindex.js
@@ -1 +1 @@
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\ No newline at end of file
diff --git a/kadmos/graph/graph_kadmos.py b/kadmos/graph/graph_kadmos.py
index e7a242a94567435efd3f67e1785875c5a5b0905a..575e9c33eb6ebda0a6b6e481ccbab9b0f332788e 100644
--- a/kadmos/graph/graph_kadmos.py
+++ b/kadmos/graph/graph_kadmos.py
@@ -2959,7 +2959,7 @@ class KadmosGraph(nx.DiGraph, VispackMixin):
         log_nodes = log_max_nodes if len(nodes) >= log_max_nodes else len(nodes)
         logger.info('Successfully splitted ' + str(len(nodes)) + ' problematic variables.')
         if nodes:
-            logger.info('The first ' + str(len(nodes)) + ' splitted problematic variables are: ' +
+            logger.info('The first ' + str(log_nodes) + ' splitted problematic variables are: ' +
                         (', '.join(nodes[0:log_nodes])))
 
         return