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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".


Personalization - Walkington (private) (terms of use)

Datasets Terms of Use

Candace Walkington
Data Provider
Steve Ritter


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External Links

Dataset Area/ Subject Dates Data Last Modified Transactions KC Models Status
Math/ Algebra Oct 16, 2009 - Jun 3, 2010 Jan 6, 2011 1,497,966 5 complete
Math/ Algebra Oct 16, 2009 - May 28, 2010 May 26, 2011 61,074 5 complete
Math/ Algebra Oct 16, 2009 - Jun 1, 2010 May 26, 2011 45,128 5 complete
Math/ Algebra Oct 16, 2009 - Jun 3, 2010 May 26, 2011 143,458 5 complete
Version 10.9.1 October 31, 2021