How to replace NA values with zeros in an R dataframe?

Posted by Jessica Taylor | Updated on February 7, 2020

Want to replace NA values with zeros in an R dataframe? Use the following simple example to replace NA values with zeros in an R dataframe.

> m <- matrix(sample(c(NA, 1:10), 100, replace = TRUE), 10)

> d <- as.data.frame(m)

V1 V2 V3 V4 V5 V6 V7 V8 V9 V10

1 4 3 NA 3 7 6 6 10 6 5

2 9 8 9 5 10 NA 2 1 7 2

3 1 1 6 3 6 NA 1 4 1 6

4 NA 4 NA 7 10 2 NA 4 1 8

5 1 2 4 NA 2 6 2 6 7 4

6 NA 3 NA NA 10 2 1 10 8 4

7 4 4 9 10 9 8 9 4 10 NA

8 5 8 3 2 1 4 5 9 4 7

9 3 9 10 1 9 9 10 5 3 3

10 4 2 2 5 NA 9 7 2 5 5

> d[is.na(d)] <- 0

> d

V1 V2 V3 V4 V5 V6 V7 V8 V9 V10

1 4 3 0 3 7 6 6 10 6 5

2 9 8 9 5 10 0 2 1 7 2

3 1 1 6 3 6 0 1 4 1 6

4 0 4 0 7 10 2 0 4 1 8

5 1 2 4 0 2 6 2 6 7 4

6 0 3 0 0 10 2 1 10 8 4

7 4 4 9 10 9 8 9 4 10 0

8 5 8 3 2 1 4 5 9 4 7

9 3 9 10 1 9 9 10 5 3 3

10 4 2 2 5 0 9 7 2 5

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How to replace NA values with zeros in an R dataframe?

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