This column shows how to use the Data Table option in Excel’s What-If Analysis tool.

In this KS1 Maths article you'll learn how to read data tables and tally charts. We also have KS1 videos, a quiz and lots of examples.

Here's how to create a pivot table in Excel to slice and dice your data, letting you perform in-depth analyses and spot important trends.

Make your R data.table code more efficient and elegant with these special symbols and operators. Plus, learn about the new fcase() function R data.table code becomes more efficient — and elegant ...

See how to use data.table's special .SD symbol to perform calculations and other tasks by group ...