check_input function

Internal function used to check the validity of inputs.

check_input(x)

## Default S3 method:
check_input(x)

## S3 method for class 'numeric'
check_input(x)

## S3 method for class 'double'
check_input(x)

## S3 method for class 'matrix'
check_input(x)

## S3 method for class 'xts'
check_input(x)

## S3 method for class 'tbl_df'
check_input(x)

Arguments

• x: Any object passed to other functions in the package.

Returns

A matrix