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Nightingale Rose Chart
A Nightingale Rose Chart (Coxcomb Chart or Polar Area Diagram) is a combination of the Radar Chart and Stacked Column Chart. It is helpful when working with cyclic data (months, seasons, years, etc.) and with statistical data. Meteorologists use it to illustrate a wind rose.
Optimistic and Pessimistic Views on a Single Gantt
Gantt Chart example with custom drawing of the timeline tasks
Periodic Table
This Heat Map represents the Mendeleev's periodic table, colored according to the element types, which all are mentioned in the legend.
PERT Basic Sample
Planned-vs-Actual Chart
Pseudo-3D Picture
Puzzle 15
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