[R] replacing segments of vector by their averages

From: Daren Tan <daren76_at_hotmail.com>
Date: Thu, 19 Jun 2008 08:55:53 +0000

Given a vector of numeric of length n, I need to find segments that are >= 0.2, compute the average of individual segments, and replace the original values in each segment by their corresponding averages.  

For example, there are three segments that are >= 0.2, the average of 1st segment is 0.3, 2nd is 0.5, and the 3rd is 0.5333333  

> c(0.3,0.3,0.3,0.1,0.1,0.5,0.5,0.5,0.5,0.15,0.15,0.3,0.5,0.8) [1] 0.30 0.30 0.30 0.10 0.10 0.50 0.50 0.50 0.50 0.15 0.15 0.30 0.50 0.80> m >= 0.2 [1] TRUE TRUE TRUE FALSE FALSE TRUE TRUE TRUE TRUE FALSE FALSE TRUE[13] TRUE TRUE

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