Skip to contents

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 matrix or a data.frame).

...

Currently not used.

value

A possible replacement value.

Author

N. Frerebeau

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