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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".


Pavlik - Difficulty and Strategy (public) (public) (gold star)

Datasets Terms of Use

Phil Pavlik
Data Provider


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Dataset Area/ Subject Dates Data Last Modified Transactions KC Models Status Papers
Language/ Chinese Oct 26, 2009 - Nov 18, 2009 Dec 19, 2013 38,239 6 complete 1
Language/ Chinese Feb 11, 2010 - Apr 30, 2010 Feb 23, 2011 45,574 3 complete 1
Language/ Chinese Jan 21, 2008 - Mar 31, 2011 May 12, 2011 54,862 3 complete 0
Version 10.11.2 July 14, 2022