Stat 565 Homework 2

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  1. I have put the data set loess2.csv on the website.  Use the data to run loess plots using spans of .1, .3, .5, .7 and .9.  Give the loess plot with the different spans using the lines option in R.

 

  1. Consider the following are data from 3 arrays 6 spots each.  Give the quantile-normalized array values.

 

 

spot     1                      2                      3                      4                      5          6

array1  5.390               12.074             3.247               4.274               11.24   14.861

array2  5.813               8.777               2.914               2.736               6.398   23.020

array2  7.522               7.719               1.783               10.59               4.439   21.972

 

 

  1. I have put the data set for the craig.zip on the website.  Download the files and do M versus A plots, boxplots and histograms with and without normalization.  Use the methods discussed in class, MAS5 and RMA for normalization.

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