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--- contextcomparisons [2009/12/15 17:43]
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-====== Context comparisons ======
-===== Definition =====
-The purpose is to search for similar [[proteingroups#protein groups]], i.e. protein groups:
-  * having the same set of proteins
-  * identified by a same set of peptides
-The Dice coefficient is used to measure similarity (result ranges from 0 to 1).
-{{context:diceCoef.png?102x50}}
-==== Compare two contexts with each other ====
-{{context:contextComparison.png?260 }}
-The "Each other" context comparison algorithm will compare every protein groups of the first context with every protein groups of the second context.\\
-Comparing two protein groups each other means
-  - Checking the similarity of their protein sets (sameset and subset)
-  - Checking the similarity of their peptide sets
-  - Checking if "master" proteins are identical
-==== Compare N contexts ====
-^  Similar with previous comparison  ^  Compare each context with a unique reference  ^^
-|                                                 |  Build the reference  ||
-|  easure similarity and "best alignment".  |  Identification union  |  ...aka the parent context  |
-| {{context:contextcomparisonn_1.png?280x235}}            | {{context:contextcomparisonn_2.png?280x235}} | {{context:contextcomparisonn_3.png?280x235}} |

hEIDI