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@@ -924,7 +927,7 @@ <h4 id="_2_what_weight_for_the_edges">2. What "weight" for the edges?</h4>
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<p>The logic is simple, and yet there are some refinements to discuss. It will be up to you to decide what’s preferable:</p>
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<h5id="_if_2_terms_appear_several_times_strong_in_a_given_unit_of_text_strong_should_their_co_occurences_be_counted_several_times">If 2 terms appear several times <strong>in a given unit of text</strong>, should their co-occurences be counted several times?</h5>
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<h5id="binary-counting">If 2 terms appear several times <strong>in a given unit of text</strong>, should their co-occurences be counted several times?</h5>
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<p>An example to clarify. Let’s imagine that we are interested in webpages discussing nanotechnology.
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We want to draw the semantic network of the vocabulary used in these web pages.</p>
<p>should I count only <strong>one</strong> co-occurrence between <code>molecular</code> and <code>nanotechnology</code>, because it happened on this one web page?</p>
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<p>should I count only <strong>one</strong> co-occurrence between <code>molecular</code> and <code>nanotechnology</code>, because it happened on this one web page? This is called <strong>binary counting</strong></p>
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<p>or should I consider that <code>molecular</code> appears twice on this page, and <code>nanotechnology</code> three times, so <strong>multiple</strong> co-occurrences between these 2 terms should be counted, just on this page already?</p>
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<p>or should I consider that <code>molecular</code> appears twice on this page, and <code>nanotechnology</code> three times, so <strong>multiple</strong> co-occurrences between these 2 terms should be counted, just on this page already? This is called <strong>full counting</strong></p>
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<p>"social neuroscience" OR "neuroeco*" OR "decision neuroscience"</p>
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<p>→ The query can be see<ahref="https://www.ncbi.nlm.nih.gov/pubmed?term=(%22social%20neuroscience%22%20OR%20%22neuroeco*%22%20OR%20%22decision%20neuroscience%22)">online here</a>.
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<p>→ The query can be seent at<ahref="https://www.ncbi.nlm.nih.gov/pubmed?term=(%22social%20neuroscience%22%20OR%20%22neuroeco*%22%20OR%20%22decision%20neuroscience%22)">online here</a>.
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(it comprises more than 1484 results, because some articles have no abstract).</p>
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<p>Several steps will make this network intelligible</p>
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<h4id="_2_managing_labels_size_and_colors">2. Managing labels size and colors</h4>
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<p>Showing the labels of the nodes:</p>
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<p> <br></p>
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<p>Making the edges (relations) invisible, because they clutter the view</p>
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<p> <br></p>
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<p>Reducing node size to the minimum (0.5) because we just need labels</p>
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<p> <br></p>
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<p>Detect communities with the "modularity" function in the statistics panel</p>
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<p>Give a different color to each community</p>
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<p> <br></p>
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</div>
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<p>We then need to assign this node color to their labels:</p>
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<p> <br></p>
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<h4id="_3_tuning_the_spatialization">3. Tuning the spatialization</h4>
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<p>Spatializing the network with Force Atlas 2 will place related terms next to each other, because they co-occur:</p>
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<p> <br></p>
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<p>The network so far:</p>
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<p> <br></p>
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<p>Apply 2 more layouts to enhance readability:</p>
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<p> <br></p>
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<h4id="_4_exporting_an_image_of_the_network">4. Exporting an image of the network</h4>
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