Homework

• Homework 1 Due Tuesday, Sept. 14, 2004
     Updated: 07/26/12 at 07:21:02 PM
  • Some of the description fields include a single ".
    You will need to add quote="" to the read.maimages line in order to read the 21504 spots correctly.
    MA <- read.maimages(files,path="1077",columns=columns,annotation=annotation,wt.fun=mywt(.1),quote="")
• Homework 2 Due Thursday, Sept. 23, 2004
     Updated: 07/26/12 at 07:21:02 PM
  • hw2.R
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• Homework 3 Due Thursday, Oct. 7, 2004
     Updated: 07/26/12 at 07:21:03 PM

  oM<-order(abs(Stem.fit$coefficients),decreasing=TRUE)
  oM[1:10]
  Stem.fit$coefficents[oM[1:10]]
  Stem.fit$genes[oM[1:10],]
  Top.10.M<-cbind(Stem.fit$coefficients[oM[1:10]],
     Stem.fit$sigma[oM[1:10]],
     Stem.fit$stdev.unscaled[oM[1:10]])
  rownames(Top.10.M)<-oM[1:10]
  colnames(Top.10.M)<-c("M","s",expression(1/sqrt(n)))
  print(Top.10.M)