In this tutorial, we will show a simple trick to show charts with hidden data in Excel. Microsoft Excel is quite useful for analyzing trends and patterns in large data, It is easy to lay ...

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.

Frequency charts show the tally next to each outcome, along with the frequency of the tally. This is the data gathered from a survey about the colours of cars in a car park. This data can be ...

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 ...