| Graphical Method |
# (%) of Papers |
# of Figures |
| (a) Basic visual methods |
||
| Bar chart |
17 (46%) |
37 |
| Line/Point/Area chart |
18 (49%) |
22 |
| Pie/Donut chart |
12 (32%) |
21 |
| (b) Extended visual methods |
||
| Histogram |
1 (3%) |
2 |
| World map |
8 (22%) |
9 |
| Heatmap |
1 (3%) |
2 |
| Scatter plot |
7 (19%) |
7 |
| Parallel plot |
1 (3%) |
1 |
| Dendrogram |
1 (3%) |
1 |
| Hilbert-curve |
1 (3%) |
1 |