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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".

Help

MathTutor (private) (problem content)

Datasets Terms of Use

PI
Vincent Aleven
Data Provider
Description

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External Links

Datasets
Dataset Domain/ LearnLab Dates Data Last Modified Transactions KC Models Status
Other May 19, 2009 - Jul 9, 2009 Jul 10, 2009 4,088 3 complete (problem content)
Other Dec 16, 2009 - Feb 18, 2010 Feb 21, 2010 4,185 3 complete (problem content)
Other Jun 30, 2005 - Jul 15, 2010 Jul 16, 2010 1,857,091 9 complete (problem content)
Other Jul 18, 2010 - Jan 31, 2013 Jan 31, 2013 425,363 5 complete (problem content)
Other Jan 2, 2004 - Oct 17, 2017 Oct 18, 2017 720,060 3 on-going (problem content)
Other Dec 31, 2001 - Oct 17, 2017 Oct 18, 2017 590,873 3 on-going (problem content)
Math/ Other Sep 2, 2010 - Oct 2, 2013 Oct 3, 2013 24,671 5 (problem content)
Math/ Other Sep 15, 2010 - Oct 2, 2013 Oct 7, 2013 23,198 4 (problem content)
Math/ Other Nov 9, 2011 - Dec 10, 2011 Oct 21, 2013 181,589 3 (problem content)
Math/ Algebra - Nov 25, 2013 181,589 10 (problem content)
Version 9.4.4 August 2, 2017