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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".


ESL Optimal Grammar (private)

Datasets Terms of Use

Gwen Frishkoff
Data Provider


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External Links

Dataset Domain/ LearnLab Dates Data Last Modified Transactions KC Models Status
Language/ English Mar 22, 2007 - Dec 13, 2007 Feb 14, 2008 12,672 5 complete
Language/ English Aug 28, 2007 - Oct 8, 2007 Feb 29, 2008 10,656 5 complete
Version 10.2.9 August 7, 2018