Last change
on this file since 211 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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