![descriptive_statistics.png](MpuJijQODokS)

This flow zone transform the ```maintenance_operations``` dataset to obtain several plots that will be used in the first two panels of the dashboard.

 Each final dataset on the right of the flow zone is used to produce one or several elements of the dashboard:
  - ```maintenance_operations_stats``` computes statistics at the maintenance operation level, that are displayed as KPIs at the top of the first panel:
  ![stats.png](RGDO5mKGqXPU)
 - ```maintenance_operations_renamed``` simply renames the boolean column that indicates whether the maintenance was planned or not, and produces a bar plot used in the second panel:
![pareto_analysis.png](qghT5WVMOAlQ)
- ```maintenance_operations_by_equipment_id_prepared``` groups data per equipment and counts the number of planned and unplanned maintenance. One plot and one KPI are generated from this dataset, which enable to compare the planned/unplanned ratio to your objective:
![planned_vs_unplanned.png](pT5dvZ948n7M)
- ```planned_maintenance_operations_windows``` focuses on planned operations and compute their length:
![planned_duration.png](YaSGaavC8ltC)