Check the Data and Analytics Navigator for your specific tool. Tools with FAQs have a blue 'i' icon on the right, and you can click that to download the guide.
The Data and Analytics team regularly updates the FAQs with basic information about the tool's utility, data, and methodology. If your question isn’t in the FAQ or if that tool doesn't have an FAQ, contact us through the form below. We'll answer it and add it to the appropriate FAQ.