Thanks,
This works fine.
-----Original Message-----
From: Erik Iverson [mailto:[EMAIL PROTECTED]
Sent: Tuesday, June 10, 2008 4:19 PM
To: Manisha Brahmachary
Cc: r-help@r-project.org
Subject: Re: [R] convert characters into integers in a matrix
Manisha -
Will this work instead?
if 'a' is your matrix, try
ifelse(a == "A", 0, 1)
Best,
Erik Iverson
Manisha Brahmachary wrote:
> Hello,
>
>
>
> I will appreciate any suggestion for this simple problem. I have a matrix
of
> characters "A", "P", "M".
>
>
>
> I want to convert those characters to integers 0,1, 1 respectively. I am
> using the following R statements:
>
>
>
> exprs.new<-gsub("P",1,exprs)
>
> exprs.new1 <- gsub("A",0,exprs.new)
>
> exprs.new2 <- gsub("M",1,exprs.new1)
>
>
>
> The replaced integers are stored as characters and I cannot find a way to
> convert the matrix to an integer matrix.
>
>
>
> Thanks
>
> manisha
>
>
>
>
> [[alternative HTML version deleted]]
>
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