update metric

Author: shawnm0705

src/features/2.metrics.md

@@ -80,11 +80,11 @@ Each combination of data source and data type represents a different metric calc
 </tr>
 
 <tr>
-<td rowspan="4">question</td>
-<td rowspan="4">scalar</td>
+<td rowspan="5">question</td>
+<td rowspan="5">scalar</td>
 <td>average</td>
 <td>The average value of the weight of the question choice</td>
-<td rowspan="9">circle number,<br/>card,<br/>table</td>
+<td rowspan="4">circle number,<br/>card,<br/>table</td>
 </tr>
 <tr>
 <td>sum</td>
@@ -98,22 +98,28 @@ Each combination of data source and data type represents a different metric calc
 <td>net-promoter</td>
 <td>Calculate the net promoter of the question. (only available for choice weight 1-5 or 1-10)</td>
 </tr>
+<tr>
+<td>distribution</td>
+<td>Get the answer distribution of this question</td>
+<td>pie chart</td>
+</tr>
 
 <tr>
 <td rowspan="2">assessment</td>
 <td>submitted-user</td>
 <td rowspan="2">count</td>
 <td>Count how many users have submitted this assessment</td>
+<td rowspan="5">circle number,<br/>card,<br/>table</td>
 </tr>
 <tr>
 <td>submitted-team</td>
 <td>Count how many teams have submitted this assessment</td>
 </tr>
 
 <tr>
-<td rowspan="5">user</td>
+<td rowspan="3">user</td>
 <td>participant</td>
-<td rowspan="5">count</td>
+<td rowspan="3">count</td>
 <td>The total number of learners</td>
 </tr>
 <tr>
@@ -124,15 +130,6 @@ Each combination of data source and data type represents a different metric calc
 <td>team</td>
 <td>The total number of teams</td>
 </tr>
-<tr>
-<td>gender</td>
-<td>The gender distribution of learners</td>
-<td rowspan="2">pie chart</td>
-</tr>
-<tr>
-<td>nationality</td>
-<td>The nationality distribution of learners</td>
-</tr>
 
 <tr>
 <td>pulse-check</td>