File:Gene expression matrix.jpg
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[edit]DescriptionGene expression matrix.jpg |
English: Bioinformatics tutorial - Gene expression matrix |
Date | |
Source | Own work |
Author | Dvir Netanely |
מטריצת ביטוי המורכבת מערכי הביטוי של 3000 גנים (שורות המטריצה) ומ-619 דגימות שנלקחו מסרטן שד של חולות (עמודות המטריצה). צבעו של כל תא במטריצה מייצג את רמת הביטוי (כמות הm-RNA) של גן מסוים בדגימה מסויימת (צבעים חמים מייצגים רמות ביטוי גבוהות).
ניתן לראות שהן הגנים והן הדגימות מסודרים כשהם מקובצים ל-5 קבוצות. זאת מפני שהמטריצה מסודרת על פי תוצאות אלגוריתם קיבוץ בשם KMeans עם פרמטר K=5 אשר קיבץ את הגנים ואת העמודות ל-5 קבוצות בעלות דימיון פנימי גבוה.
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current | 21:20, 2 March 2016 | ![]() | 5,387 × 3,243 (5.99 MB) | ערן (talk | contribs) | Cropped 7 % horizontally and 25 % vertically using CropTool with precise mode. |
12:09, 17 January 2014 | ![]() | 5,762 × 4,310 (6.9 MB) | דביר (talk | contribs) | Increased resolution | |
11:54, 17 January 2014 | ![]() | 1,114 × 833 (343 KB) | דביר (talk | contribs) | User created page with UploadWizard |
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