Replaces missing values values.
Usage
replace_NA(x, ...)
# S4 method for class 'matrix'
replace_NA(x, value = 0)
# S4 method for class 'data.frame'
replace_NA(x, value = 0)Arguments
- x
An R object (should be a
matrixor adata.frame).- ...
Currently not used.
- value
A possible replacement value.
See also
Other data cleaning tools:
clean_whitespace(),
remove_Inf(),
remove_NA(),
remove_constant(),
remove_empty(),
remove_zero(),
replace_Inf(),
replace_empty(),
replace_zero()
Examples
## Create a data matrix
X <- matrix(sample(1:10, 25, TRUE), nrow = 5, ncol = 5)
## Add NA
k <- sample(1:25, 3, FALSE)
X[k] <- NA
X
#> [,1] [,2] [,3] [,4] [,5]
#> [1,] 3 9 8 10 5
#> [2,] 7 NA 2 1 8
#> [3,] 9 4 2 6 6
#> [4,] NA 1 NA 10 3
#> [5,] 9 1 8 9 9
## Remove rows with NA
remove_NA(X, margin = 1)
#> [,1] [,2] [,3] [,4] [,5]
#> [1,] 3 9 8 10 5
#> [2,] 9 4 2 6 6
#> [3,] 9 1 8 9 9
## Replace NA with zeros
replace_NA(X, value = 0)
#> [,1] [,2] [,3] [,4] [,5]
#> [1,] 3 9 8 10 5
#> [2,] 7 0 2 1 8
#> [3,] 9 4 2 6 6
#> [4,] 0 1 0 10 3
#> [5,] 9 1 8 9 9