Understanding, organizing, and validating data directly affects the accuracy of stories. New tools make cleaning accessible ...

REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a ...

Enjoy the Mainichi Shimbun's "spot the difference" puzzle. The rules are simple: find the seven differences between the two ...

This feature works best when the columns you want to visualize are adjacent to each other, so you may need to rearrange your ...