The-Glance-GUI.md

@@ -168,7 +168,18 @@ Note: You can always examine the latitude and longitude variables directly by se
 
 <h4>The Filters Tab</h4>
 
-The filters tab
+The filters tab offers some very limited tools for restricting the range of your data. These are best used when you are trying to examine a smaller part of your data in detail. They can be especially helpful if you find that you have data in ranges that you don't expect or want it to be in and want to see what exactly that data looks like and whether your overall results look more valid without it.
+
+![filters](uploads/a29b5a846e000137710d4e1b4c1329ef/filters.png)
+
+**To filter the range of a data set:**
+* in either the "A simple filtering:" or "B simple filtering:" section of the user interface, check the checkbox next to "restrict data to range:"
+* enter the lower bound of the range you want to limit your data to in the left box below the checkbox
+* enter the high bound of the range you want to limit your data to in the right box below the checkbox
+
+![range](uploads/1347cd0fcbc9dd3c17750a82a7f1b091/range.png)
+
+Note: If you don't want to limit your data at one end of the range, enter "None" (no quotes) instead of a number for that end of the range. 
 
 
 TODO, this page is still in progress
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