Gap Analysis Winning Margin

What is Gap Analysis?

We keep talking about Gap Analysis and its benefits. It helps us understand data better when we do gap analysis of winners & Losers, Actual & Target and many other.

Visualization for Gap Analysis

What is best way to represent Gap analysis using Visualizations? Area Chart, Line Chart or Dumbbell chart? I prefer dumbbell chart over area or line – it gives better idea over other two. Here is one simple example from the Indian Presidential Election.

From above chart –

1. Biggest Winning margin was in 1957

2. Lowest Winning margin was in 1969

3. In Recently concluded election – 31.3% was difference of votes between winning and losing candidate

Click here for interactive visualization.