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Last change
on this file since 223 was
23,
checked in by jazz, 17 years ago
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Sample R Code from YM. Prof. Chung
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File size:
548 bytes
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| 1 | ######## read RMA ################# |
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| 2 | |
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| 3 | setwd("D:\\Women cancer\\ovary") |
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| 4 | |
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| 5 | rm(list=ls()) |
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| 6 | |
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| 7 | memory.limit(size=2000) |
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| 8 | |
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| 9 | memory.size() |
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| 10 | |
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| 11 | library(affy) |
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| 12 | |
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| 13 | fileNames<-dir(".", "[.]CEL")[1:15] |
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| 14 | |
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| 15 | LatinData<-ReadAffy(filenames=fileNames) ### Read CEL files |
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| 16 | |
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| 17 | str(LatinData) |
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| 18 | |
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| 19 | k<-LatinData@exprs |
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| 20 | |
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| 21 | LatinData.rma<-expresso(LatinData, bgcorrect.method="rma", normalize.method="quantiles", pmcorrect.method="pmonly", summary.method="medianpolish") |
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| 22 | ## 完成到此即成功 ## |
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| 23 | |
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| 24 | |
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| 25 | write.table(exprs(LatinData.rma), "LatinData_rma.txt", sep="\t") |
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| 26 | |
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| 27 | ## total about 15 .CELs |
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| 28 | |
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