Cast a matrix of any type to numeric

Transforms values in the expression matrix to numeric, to make it compatible with the rest of the functions.

cast_matrix_to_numeric(expression.matrix)

Arguments

expression.matrix	The expression matrix (usually read from a file)

Value

The expression matrix transformed to numeric, preserving row and column names. Any values that are not coercible to numeric are replaced by 0.

Examples

cast_matrix_to_numeric(matrix(
    c(1, "2", 3.0, 4),
    ncol=2,
    dimnames=list(paste0("X", 1:2),
                  paste0("Y", 1:2))))
#>    Y1 Y2
#> X1  1  3
#> X2  2  4