Drill-down visualizations can be a good way to present a lot of data in a digestible format. In this example, we’ll create a graph of median home values by U.S. state using R and the highcharter ...

If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

To calculate the Consumer Price Index between two years in Excel, take a sum of all the amounts spent on the basket of products over those two years. Then use the following formula to find the CPI ...

Microsoft Excel 2010 features a tool set that offers you the option of performing assorted functions on your data, including turning that data into a graph. Your Excel graph will be inserted into your ...

Before LAMBDA was introduced to Excel, you'd need to know how to use VBA or macros to create your own function. However, today, Excel's LAMBDA tool lets you do this using familiar Excel language and ...