Expand coverage report explanation to better understand how coverage and coverage completeness values were calculated

Author: Chiara Rasi

CHANGELOG.md

@@ -1,3 +1,7 @@
+## [unreleased]
+### Added
+- Improve report explanation to better interpret average coverage and coverage completeness stats shown on the coverage report
+
 ## [1.9]
 ### Added
 - Condensed `/coverage/d4/genes/summary` for condensed stats over a gene list

src/chanjo2/templates/report.html

@@ -179,10 +179,16 @@ <h4>General</h4>
   </p>
 {% endif %}
 
+<p>
+  <strong>Average coverage</strong>:
+  defined as the mean coverage over a list of genes. Values were calculated as the mean of coverage values over single genes or intervals (transcripts or exons) from single genes
+  e.g. 38.24
+</p>
+
 <p>
   <strong>Completeness</strong>:
   defined as the ratio of bases
-  sequenced deeper than a specified cutoff
+  sequenced deeper than a specified cutoff. Values were calculated across pooled genes or genes' intervals, according to the sequencing technology used
   e.g. 10x
 </p>
 
@@ -250,6 +256,11 @@ <h3 class="mt-5">Explanations</h3>
 	{{ super() }}
 
 	<script>
+		// Enable tooltips
+		$(document).ready(function(){
+    		$('[data-toggle="tooltip"]').tooltip();
+		});
+
 		function toggle_visibility(ids)
 		{
 			for (let id of ids) {