Log in to start analyzing data.

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

Computing@Carnegie Mellon (private) (problem content)

Datasets Terms of Use

PI
Norman Bier
Description

Tags

Separate tags with commas.
External Links

Datasets
Dataset Domain/ LearnLab Dates Data Last Modified Transactions KC Models Status
Science/ Other Aug 20, 2010 - Oct 18, 2010 Nov 23, 2010 587,353 13 complete (problem content)
Science/ Other Jan 9, 2011 - May 3, 2011 Sep 1, 2011 102,538 5 complete (problem content)
Science/ Other Aug 20, 2010 - Dec 19, 2010 Oct 5, 2011 571,993 2 complete (problem content)
Science/ Other Aug 28, 2011 - Nov 3, 2011 Nov 14, 2011 887,292 3 complete (problem content)
Science/ Other Aug 29, 2011 - Dec 31, 2012 Feb 4, 2013 698,017 2 complete (problem content)
Science/ Other Jul 9, 2012 - Oct 24, 2012 Mar 27, 2013 1,055,936 2 complete (problem content)
Science/ Other Jul 1, 2013 - Dec 17, 2013 Mar 29, 2014 1,363,090 3 complete (problem content)
Science/ Other Jul 1, 2013 - Dec 12, 2013 Mar 29, 2014 94,612 17 complete (problem content)
Science/ Other Jul 1, 2014 - Sep 12, 2014 Oct 21, 2014 1,257,056 3 (problem content)
Science/ Other Jul 1, 2014 - Nov 24, 2014 Jan 25, 2015 1,423,587 4 (problem content)
Science/ Other Jul 1, 2013 - Dec 12, 2013 Nov 1, 2016 94,612 17 (problem content)
Science/ Other Aug 20, 2010 - Oct 18, 2010 Feb 7, 2017 587,353 13 (problem content)
Jul 4, 2016 - Dec 17, 2016 Mar 28, 2017 1,092,766 2 (problem content)
Version 9.4.4 August 2, 2017