[R] coding logic and syntax in R

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From: Pravin (jadhavpr@vcu.edu)
Date: Wed 24 Dec 2003 - 18:27:24 EST 

Message-id: <000001c3c9ef$60a81220$0500a8c0@Pravin>

Hello,

 

I am a beginner in R programming and recently heard about this mailing list.
Currently, I am trapped into a simple problem for which I just can't find a
solution. I have a huge dataset (~81,000 observations) that has been
analyzed and the final result is in the form of 0 and 1(one column).

 

I need to write a code to process this column in a little complicated way.

These 81,000 observations are actually 9,000 sets (81,000/9).

So, in each set whenever zero appears, rest all observations become zero.

 

For example;

If the column has:

111110111111011111111111111111111....

The output should look like:

111110000111000000111111111111111...

 

I hope this makes sense.

 

Thank you in anticipation,

 

Pravin

 

Pravin Jadhav

 

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