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".


External Tools

The External Tools page lists free tools submitted by developers in the educational data mining and intelligent tutoring systems communities.

Have a tool you want to submit? Log into DataShop and click Add Tool on the External Tools page. You will be asked to request permission to add tools. After we notify you that you have been granted access, click Add Tool again to create a page for a new tool. After creating the page, click Upload File to add files.

Note that many tools already have a homepage on the web, so you might need to visit the tool's homepage to download it.