Priya Sethna

Flight tracking data is the broadcast record of where an aircraft was, when it was there, and what it looked like in the air … Read more

Checking the method before the number is how to read a poll like a journalist. Who ran it, who paid for it, who was … Read more

Census data can tell you how many people live somewhere, how they work, what they earn, what they pay for housing and how they … Read more

Percent change is the difference between two values, divided by the original value, multiplied by 100. A positive result means the new value is … Read more

You can become a data journalist with no coding experience, and the path starts with a spreadsheet. Most entry-level data work is filtering, sorting … Read more

To clean messy data in Excel, you work on a copy, fix one problem class at a time, and record every change you make. … Read more