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total number of genes changed from specific stress forhypergeometric test

total number of genes changed from specific stress forhypergeometric test - Arabidopsis and Plant Biology

total number of genes changed from specific stress forhypergeometric test - Discuss Arabidopsis and Plant Biology Research.


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Old 04-20-2009, 06:24 AM
galonyae@post.tau.ac.il
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Default total number of genes changed from specific stress forhypergeometric test



Hi
I want to calculate the p-value of the enriched list of genes
(according various
classifications, such as : cold, heat, uvb ext) from my microarray
experiment, using
hypergeometric test.
For this calculation I need the total number of genes belonging to a
specific group (e.g.
cold) in a chip.
Does anyone know where can I found how many genes are changed in each
biotic or abiotic
stress. for example: how many genes are changing in a chip as a result
of cold stress (up
and down regulated)?

Thanks in advance, Yael

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