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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".


Elementary Chinese Course (public)

Datasets Terms of Use

suemei wu
Data Provider


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Dataset Area/ Subject Dates Data Last Modified Transactions KC Models Status
Language/ Chinese Jan 15, 2006 - Dec 11, 2006 Nov 22, 2011 6,457 5 complete
Language/ Chinese Jan 17, 2007 - May 2, 2007 Jun 7, 2007 9,756 4 complete
Language/ Chinese May 18, 2007 - Jul 6, 2007 Jul 9, 2007 1,873 3 complete
Language/ Chinese Dec 10, 2006 - Apr 23, 2008 Aug 10, 2008 45,801 4 complete
Language/ Chinese Jan 15, 2008 - Aug 29, 2012 Aug 30, 2012 812,329 3 complete
Version 10.12.6 June 22, 2023