What is a Sparkline chart? Why do we use it in analysis?

Sparkline charts are line charts or trend line charts that are compact and do not have any axis.

As it is used to show data trends, it is predominantly a time-series chart having a speciality to fit in small areas.

Sparkline charts are small charts that are very useful in analysis as they do not take up much space allowing you to put more information on a report.

Also, they graphically represent highs and lows of a data depicting a data trend.