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New Approaches to in silico Design of Epitope-Based Vaccines

New Approaches to in silico Design of Epitope-Based Vaccines

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106 APPENDIX B. EPITOPE DISCOVERY<br />

Algorithm B.1: Weighted majority vot<strong>in</strong>g. This vot<strong>in</strong>g is applied <strong>to</strong> resolve conflicts <strong>in</strong><br />

results <strong>of</strong> microarray experiments. <strong>Based</strong> on the number <strong>of</strong> absent, marg<strong>in</strong>al and present assignments<br />

a prote<strong>in</strong> is unambiguously assigned <strong>to</strong> exactly one class. The marg<strong>in</strong>al classifications were weighted<br />

only 2/3 <strong>to</strong> achieve a better separation <strong>in</strong> absent and present, reduc<strong>in</strong>g the number <strong>of</strong> marg<strong>in</strong>al<br />

assignments.<br />

a ⇐ number <strong>of</strong> absent calls<br />

m ⇐ number <strong>of</strong> marg<strong>in</strong>al calls<br />

p ⇐ number <strong>of</strong> present calls<br />

sum ⇐ a + 2<br />

3m + p<br />

label ⇐ unassigned<br />

if a/sum > 2<br />

3<br />

label ⇐ absent<br />

else<br />

if p/sum > 2<br />

3<br />

then<br />

label ⇐ present<br />

else<br />

label ⇐ marg<strong>in</strong>al<br />

endif<br />

endif<br />

then

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