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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".


Carnegie Learning MATHia 2019-2020 (private) (terms of use)

Datasets Terms of Use

Steve Ritter
Data Provider
MATHia datasets from the 2019-2020 academic year. Larger datasets are attached as files to each dataset. Support for the release of these data was provided by the National Science Foundation under the award The Learner Data Institute (Award #1934745).


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Dataset Area/ Subject Dates Data Last Modified Transactions KC Models Status
Math/ Other Aug 7, 2019 - Jun 5, 2020 Jul 19, 2021 687,235 3
Math/ Other Aug 5, 2019 - Jun 18, 2020 Jul 20, 2021 839,094 3
Math/ Other Aug 15, 2019 - Jun 22, 2020 Jul 20, 2021 98,524 3
Math/ Other Aug 16, 2019 - Jun 29, 2020 Jul 20, 2021 119,379 3
Math/ Other Aug 31, 2019 - Jun 26, 2020 Jul 20, 2021 116,082 3
Version 10.11.2 July 14, 2022