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Sample Selector

Sample Selector is a tool for creating and editing samples, or groups of data you compare across—they're not "samples" in the statistical sense, but more like filters.

By default, a single sample exists: "All Data". With the Sample Selector, you can create new samples to organize your data.

You can use samples to:

A sample is composed of one or more filters, specific conditions that narrow down your sample.

Creating a sample

The general process for creating a sample is to:

The effect of multiple filters

DataShop interprets each filter after the first as an additional restriction on the data that is included in the sample. This is also known as a logical "AND". You can see the results of multiple filters in the sample preview as soon as all filters are "saved".


WPI - Assistments (public) (gold star)

Datasets Terms of Use

Neil Heffernan
Data Provider


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External Links

Dataset Area/ Subject Dates Data Last Modified Transactions KC Models Status Papers
Math/ Other Sep 8, 2004 - Aug 9, 2005 Jan 15, 2010 580,785 6 complete 11
Math/ Other Sep 7, 2005 - Aug 30, 2006 Jan 18, 2010 685,615 6 complete 3
Other Sep 1, 2006 - Aug 30, 2007 Jan 10, 2010 1,451,003 5 complete 0
Version 10.12.6 June 22, 2023