Omitting the rows or columns with missing observations of a matrix (NA)

In many situations it is required to omit the rows or columns less or greater with NA of the matrix.

delete.na(x, alternative = c("less", "greater"))

Arguments

x	matrix with NA
alternative	"less" or "greater"

Value

x

matrix

Examples

library(agricolae)
x<-c(2,5,3,7,5,NA,8,0,4,3,NA,NA)
dim(x)<-c(4,3)
x
#>      [,1] [,2] [,3]
#> [1,]    2    5    4
#> [2,]    5   NA    3
#> [3,]    3    8   NA
#> [4,]    7    0   NA
#     [,1] [,2] [,3]
#[1,]    2    5    4
#[2,]    5   NA    3
#[3,]    3    8   NA
#[4,]    7    0   NA

delete.na(x,"less")
#>      [,1]
#> [1,]    2
#> [2,]    5
#> [3,]    3
#> [4,]    7
#     [,1]
#[1,]    2
#[2,]    5
#[3,]    3
#[4,]    7

delete.na(x,"greater")
#>      [,1] [,2] [,3]
#> [1,]    2    5    4
#     [,1] [,2] [,3]
#[1,]    2    5    4