This function converts to numeric those character columns in the input that can be converted to numeric without generating missing values except for the allowed NA representations.
convertNumericColumnsToNumeric(
data,
naStrings = c("NA", "NULL", "NO DATA"),
unFactor = TRUE)
A data frame with convertible columns converted to numeric.
A data frame.
Character vector of values that are allowd to convert to NA
(a missing numeric value).
Logical: should the function first convert all factor columns to character?
Peter Langfelder