One way to improve your spreadsheet is to present data in chart form, and Excel is a great program for doing just this. However, Excel's overwhelming number of menus often results in some of the m ...

The data to compile the Official Charts is drawn from a highly complex tracking service representing one of the most sophisticated ongoing market research programmes anywhere in the world.

So in these charts we use a rolling 7-day average of the new infections countries report each day and compare where that average is now to where it was at its peak. The percent of that peak a ...