| L3a1: | Histograms | (0 routines) |
| L3a2: | Frequency, cumulative frequency, percentile plots | (0 routines) |
| L3a3: | EDA (e.g., box-plots) | (0 routines) |
| L3a4: | Bar charts | (0 routines) |
| L3a5: | Pie charts | (0 routines) |
| L3a6: | Xi vs. i (including symbol plots) | (0 routines) |
| L3a7: | Lag plots (e.g., plots of Xi vs. Xi-1) | (0 routines) |