Coerce selected columns to numeric

Converts specified columns in a data frame to numeric, with a guard against non-digit content. Stops if letters are detected in any column; warns if silent coercion was needed.

Usage

coerce_numeric(d, vars)

Arguments

d

A data.frame.

vars

Character vector of column names to coerce.

Value

The data frame with the specified columns coerced to numeric.

Details

bit64 integer64 columns are converted to double. Columns that hold integer64 bytes with the class attribute dropped (every nonzero value is smaller than 1e-300 in absolute value) are detected and repaired, with a warning.