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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".


Proportional Reasoning Tutor - Earnshaw (private)

Datasets Terms of Use

Yvonne Earnshaw
Data Provider


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Dataset Area/ Subject Dates Data Last Modified Transactions KC Models Status
Math/ Other Mar 6, 2012 - Apr 14, 2012 Apr 16, 2012 9,963 2 complete
Math/ Other Jun 29, 2012 - Oct 25, 2012 Oct 25, 2012 349 2 complete
Math/ Other Oct 26, 2012 - Nov 20, 2012 Jan 3, 2013 9,623 2 complete
Math/ Other Oct 16, 2012 - Oct 23, 2012 Nov 21, 2012 1,660 2 complete
Math/ Other Feb 15, 2013 - Feb 21, 2013 Feb 22, 2013 41,278 2