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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".


OLI Secure Coding (private) (gold star) (problem content)

Datasets Terms of Use

Data Provider
Norman Bier


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External Links

Dataset Domain/ LearnLab Dates Data Last Modified Transactions KC Models Status Papers
Other Jan 22, 2011 - Feb 22, 2011 Mar 19, 2011 9,564 3 complete 1 (problem content)
Other Jan 5, 2012 - Oct 26, 2012 Nov 30, 2012 44,285 2 complete 0 (problem content)
Version 10.2.5 July 11, 2018