Use asNumericIfPossible with modified warning. — catch

This function uses asNumericIfPossible but lets the user change the warning issued by asNumericIfPossible. Suited for use in other R packages.

Usage

catch_asNumericIfPossible(x, warn, maintain.factor.scores = TRUE,
force.string = TRUE, transform.factors = TRUE)

Arguments

x: A vector or data frame which should be converted.
warn: A character vector of length 1 with the desired warning.
maintain.factor.scores: Logical: If TRUE, conversion of the factor levels is attempted (like in as.numeric(as.character(f))). If FALSE, the internal codes of the factor are returned (like in as.numeric(f)). See 'Details'. This argument is only evaluated if transform.factors = TRUE.
force.string: Logical indicating whether columns should be force to numeric, even if NAs are induced. If FALSE, affected columns are maintained. If TRUE, conversion is forced.
transform.factors: Logical indicating whether columns of class factor should be converted. If FALSE, columns of class factor are maintained. If TRUE, conversion of factors is attempted.

Details

For details see asNumericIfPossible

Author

Benjamin Becker

Examples

char <- c("a", "b", 1)
catch_asNumericIfPossible(x = char, warn = "Vector could not be converted")
#> Warning: Vector could not be converted
#> [1] NA NA  1