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".

« Back to DataShop

Accessing DataShop

DataShop is accessible at https://pslcdatashop.web.cmu.edu/ wherever you have access to the Internet, via PC or Macintosh computer with one of the following fully-supported browsers:

  • Mozilla Firefox 3.0 or greater (download)
  • Internet Explorer 7 or 8
  • Safari 3.0 or greater

A JavaScript-enabled browser is required to use DataShop.

Logging In

I've never logged in to DataShop before ...

... and I'm a Carnegie Mellon University student, staff, or faculty member

On DataShop's home page, click "Log in with WebISO". You will be asked to authenticate with WebISO, the CMU-standard authentication system. After authenticating with CMU, you will be asked to create a LearnLab account. Complete the LearnLab registration form to link your CMU identity with the DataShop system. Next time you log in, you will only need to authenticate with CMU (WebISO).

... and I'm NOT a Carnegie Mellon University student, staff, or faculty member

On DataShop's home page, click "Sign up now!". On the registration page, complete the form to create your DataShop account. While there are no requirements for your user name, your password must be 6-12 characters, and may contain only letters, numbers, underscores, and hyphens (spaces are not allowed). Your password cannot contain the account ID you've chosen. Passwords are case-sensitive. Your email address is important: we will use it to help you reset your password if you ever forget it.

I've logged in to DataShop before ...

... and I'm a Carnegie Mellon University student, staff, or faculty member

On DataShop's home page, click "Log in with WebISO", and authenticate with WebISO. You will be logged into DataShop after authenticating.

... and I'm NOT a Carnegie Mellon University student, staff, or faculty member

On DataShop's home page, enter your user name and password in the login box, and press Log in.

I forgot my password

Click here to retrieve your password. We'll send your password to the email address that you gave use when you registered. If you have created more than one account with the same email address, you must contact us to reset your password for you. Please include the user ID (if you know it) of the account you want to use.

Accessing Datasets

By default, you will have access to the public datasets. This allows you to explore the functionality of DataShop.

To gain access to new datasets, email us with your name, role, and the name of the dataset(s) that you'd like to access. If you're not the PI for the study, we'll confirm with him or her that you're authorized to view the requested dataset and email you when we've given you access.

Version 4.2.3 July 30, 2010 LearnLab logo