Answers for "r change column based on condition"

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r change column based on condition

# 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]
Posted by: Guest on March-25-2020

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