Creating or Modifying Causal Inputs
1. Enter Causal Input in the Go to box to search for the page. Select the page from the resulting list of matches.
2. Do one of the following:
◦ To create a causal input: Click the New icon 
.
.◦ To modify a causal input: Click the Edit icon 
for the causal input.
for the causal input.3. Enter or edit the name and description of the causal input.
4. Set Type to Causal Type or Causal Ratio. The primary difference between causal types and causal ratios is that a causal type is associated with a time series such as flight hours and a causal ratio is associated with a ratio value such as flight ratio which designates that for every hour listed as a flight hour, 1.1 hours of passenger seat time is consumed.
5. Click the Save icon 
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