colAnys,xgCMatrix-method {sparseMatrixStats} | R Documentation

## Check if any elements in a row (column) of a matrix-like object is equal to a value

### Description

Check if any elements in a row (column) of a matrix-like object is equal to a value.

### Usage

    ## S4 method for signature 'xgCMatrix'
    colAnys(
      x,
      rows = NULL,
      cols = NULL,
      value = TRUE,
      na.rm = FALSE,
      useNames = NA
    )

    ## S4 method for signature 'xgCMatrix'
    rowAnys(
      x,
      rows = NULL,
      cols = NULL,
      value = TRUE,
      na.rm = FALSE,
      useNames = NA
    )

### Arguments

`x` | An NxK matrix-like object.
`rows` | A `vector` indicating the subset of rows (and/or columns) to operate over. If `NULL`, no subsetting is done.
`cols` | A `vector` indicating the subset of rows (and/or columns) to operate over. If `NULL`, no subsetting is done.
`value` | The value to search for.
`na.rm` | If `TRUE`, `NA`s are excluded first, otherwise not.
`useNames` | If `NA`, the default behavior of the function about naming support is remained. If `FALSE`, no naming support is done. Else if `TRUE`, names attributes of result are set.

### Details

The S4 methods for `x` of type `matrix`, `array`, or `numeric` call `matrixStats::rowAnys` / `matrixStats::colAnys`.

### Value

Returns a `logical` `vector` of length N (K).

### See Also

- `matrixStats::rowAnys()` and `matrixStats::colAnys()` which are used when the input is a `matrix` or `numeric` vector.

- For checks if all elements are equal to a value, see `rowAlls()`.

- `base::any()`.

### Examples

    mat <- matrix(rnorm(15), nrow = 5, ncol = 3)
      mat[2, 1] <- NA
      mat[3, 3] <- Inf
      mat[4, 1] <- 0

      print(mat)

      rowAnys(mat)
      colAnys(mat)

[Package sparseMatrixStats version 1.6.0 Index]