This is a sample of Vulnerability Model for structural .
1-How we can calculate the "mean loss ratio for a set of intensity measure levels" ?
<?xml version="1.0" encoding="utf-8"?>
<vulnerabilityModel id="Nepal" assetCategory="buildings" lossCategory="structural">
<vulnerabilityFunction dist="LN" id="Wood">
<imls imt="PGA"> 0.0001 0.2 0.4 0.6 0.8 1.0 1.2 1.4 </imls>
<meanLRs> 0.0001 0.05 0.21 0.4 0.56 0.67 0.76 0.82 </meanLRs>
<covLRs> 0.3 0.3 0.3 0.1 0.1 0.1 0.1 0.1 </covLRs>
</vulnerabilityFunction>
<vulnerabilityFunction dist="LN" id="Unknown">
<imls imt="PGA"> 0.0001 0.2 0.4 0.6 0.8 1.0 1.2 1.4 </imls>
<meanLRs> 0.0001 0.05 0.21 0.4 0.56 0.67 0.76 0.82 </meanLRs>
<covLRs> 0.3 0.3 0.3 0.1 0.1 0.1 0.1 0.1 </covLRs>
</vulnerabilityFunction>
<vulnerabilityFunction dist="LN" id="Stone-Masonry">
<imls imt="PGA"> 0.0001 0.2 0.4 0.6 0.8 1.0 1.2 1.4 </imls>
<meanLRs> 0.0001 0.25 0.63 0.82 0.91 0.95 0.98 0.99 </meanLRs>
<covLRs> 0.3 0.3 0.1 0.1 0.1 0.1 0.1 0.1 </covLRs>
</vulnerabilityFunction>
<vulnerabilityFunction dist="LN" id="Adobe">
<imls imt="PGA"> 0.0001 0.2 0.4 0.6 0.8 1.0 1.2 1.4 </imls>
<meanLRs> 0.0001 0.28 0.67 0.85 0.93 0.96 0.98 0.99 </meanLRs>
<covLRs> 0.3 0.3 0.1 0.1 0.1 0.1 0.1 0.1 </covLRs>
</vulnerabilityFunction>
<vulnerabilityFunction dist="LN" id="Concrete">
<imls imt="PGA"> 0.0001 0.2 0.4 0.6 0.8 1.0 1.2 1.4 </imls>
<meanLRs> 0.0001 0.25 0.61 0.8 0.9 0.94 0.97 0.98 </meanLRs>
<covLRs> 0.3 0.3 0.1 0.1 0.1 0.1 0.1 0.1 </covLRs>
</vulnerabilityFunction>
<vulnerabilityFunction dist="LN" id="Unreinforced-Brick-Masonry">
<imls imt="PGA"> 0.0001 0.2 0.4 0.6 0.8 1.0 1.2 1.4 </imls>
<meanLRs> 0.0001 0.2 0.55 0.76 0.87 0.93 0.96 0.98 </meanLRs>
<covLRs> 0.3 0.3 0.1 0.2 0.1 0.1 0.1 0.1 </covLRs>
</vulnerabilityFunction>
</vulnerabilityModel>
</nrml>