Respected Sir/ Madam,
We the students of M.Sc.(BIOINFORMATICS), C.S.J.M. University, Kanpur (U.P), 
INDIA are encountering some errors regarding transcriptomic analysis of iron and 
phosphorus interaction in rice seedlings  while using R-Package(2.12.2). We are 
using following commands for simpleaffy package:-

>library(simpleaffy)
> raw.data <- read.affy()
Error in file(file, "rt") : cannot open the connection
In addition: Warning message:
In file(file, "rt") :
  cannot open file './covdesc': No such file or directory

We have already changed the directory but it is still showing the error.
We shall be highly obliged to you.
Thanking you.

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