Cobra Help System

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Thresholds Page of the New Resource File Wizard

Use this page to define acceptable cost and schedule variances.

Note: You can modify the threshold settings afterwards on the Thresholds tab of the Resource File Properties dialog box. To specify threshold values for a resource, use the Thresholds tab of the Resource view.

Cobra highlights a cost variance or a schedule variance that exceeds the predefined threshold. These thresholds, or tolerances, define how large cost variances (Earned Value - Actual Cost) and/or schedule variances (Earned Value - Budget) must be before Cobra triggers exception reporting mechanism.

Using thresholds is known as management by exception and is an efficient way to manage a project. Instead of micromanaging the entire project, you only focus on areas that exceed the predefined threshold.

Schedule Variance

A schedule variance is a metric for the schedule performance of a project. It is the algebraic difference between earned value and the budget (Schedule Variance = Earned Value - Budget). A positive value indicates a favorable condition while a negative value indicates an unfavorable condition.

Field Description
Current Period This field refers to the schedule variance for the current period. Use the Favorable and Unfavorable options to define tolerances for this field.
Attention: For more information, see Threshold Options.
Cumulative This field refers to the cumulative schedule variance. Use the Favorable and Unfavorable options to define tolerances for this field.
Attention: For more information, see Threshold Options.

Cost Variance

A schedule variance is a metric for the schedule performance of a project. It is the algebraic difference between earned value and the budget (Schedule Variance = Earned Value - Budget). A positive value indicates a favorable condition while a negative value indicates an unfavorable condition.

Field Description
Current Period This field refers to the cost variance for the current period. Use the Favorable and Unfavorable options to define tolerances for this field.
Attention: For more information, see Threshold Options.
Cumulative This field refers to the cumulative cost variance. Use the Favorable and Unfavorable options to define tolerances for this field.
Attention: For more information, see Threshold Options.
At Complete This field refers to the cost variance at project completion. Use the Favorable and Unfavorable options to define tolerances for this field.
Attention: For more information, see Threshold Options.

Threshold Options

Use the threshold options to define the threshold settings for the Schedule Variance and Cost Variance fields.

Value Description
None The code file does not use thresholds or tolerances.
Percent Cobra defines the schedule variance as a percentage amount.
Value Cobra defines the schedule variance as an absolute amount.
Both Cobra defines the schedule variance using both the percentage amount and the absolute value.

Threshold Options

Use the threshold options to define the threshold settings for the Schedule Variance and Cost Variance fields.
Value Definition
NoneThe code file will not use thresholds or tolerances.
PercentCobra will define the schedule variance as a percentage amount.
ValueCobra will define the schedule variance as an absolute amount.
BothCobra will define the schedule variance using both the percentage amount and the absolute value.