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".


NSF ErrEx and EDM Project (private) (gold star)

Datasets Terms of Use

Bruce McLaren
Data Provider


Separate tags with commas.
External Links

Dataset Domain/ LearnLab Dates Data Last Modified Transactions KC Models Status Papers
Other Sep 6, 2018 - Feb 19, 2019 Feb 19, 2019 198,388 3 files-only 1
Math/ Other May 6, 2019 - Oct 22, 2019 Oct 23, 2019 277,834 3 files-only 0
Math/ Other Sep 12, 2019 - Nov 1, 2019 Nov 4, 2019 300,349 5 files-only 0
Language/ English Jan 31, 2020 - May 17, 2020 May 18, 2020 644,350 3 files-only 0
Version 10.5.4 February 12, 2020