Variance analysis
=================

.. index:: Variance analysis

Variance analysis view shows you the difference between the current project plan and one of the baselines according to the following criteria:

|image0|

- Time
- Effort
- Cost

**Application of variance analysis:**

- Visualisation of the difference between target and actual.
- Detailed analysis of all parameter deviations.

**You can use the variance analysis to do the following:**

- Edit activities and subprojects from the actual plan.
- Change the timescale.

**Context menu in the Variance analysis view**

|image2|

- **Select baseline** – select a project state saved previously as a baseline for comparison.
- **Show progress line over start date** – visualize the schedule deviations between a project state 
  and selected baseline related to start dates.
- **Show progress line over finish date** – visualize the schedule deviations between a project state 
  and selected baseline related to finish dates.
- **Show only difference** – show only activities/projects, where there is the time shift between target and actual.

.. |image0| image:: ../images/control_gantt_analysis_menu_0.png
.. |image2| image:: ../images/control_gantt_analysis_diagram.png