r change column value conditionally

Strange Snake answered on March 25, 2020 Popularity 5/10 Helpfulness 1/10

answer r change column value conditionally

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r change column value conditionally

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df <- within(df, est[b==0] <- (a[b==0]-5)/2.533)

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Source: stackoverflow.com

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Contributed on Aug 12 2020

Strange Snake

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r change column based on condition

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# If a condition is met in a specific column (column "b" is 0), 
# change the value in column "est". Here the value is replaced
# by the value for "a" in that same row where b == 0.

df$est[df$b == 0] <- df$a[df$b == 0]

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Source: Grepper

Tags: r

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Contributed on Mar 25 2020

Gifted Gorilla

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r change column value conditionally

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