checkCoercion: Check if values can be safely coerced without introduction of...

Description Usage Arguments Value Author(s) Examples

View source: R/checkCoercion.R

Description

This might be named "coercesSafely" or such. If values cannot be coerced into class specified, then values must be incorrect.

Usage

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checkCoercion(value, targetclass, na.strings = c("\\.", "", "\\s+",
  "N/A"))

Arguments

value

Character vector of values, such as value_new or value_old for one variable in a key.

targetclass

R class name

na.strings

Values that should be interpreted as R NA. These are ignored in the coercion check.

Value

either TRUE, or a vector of values which are not successfully coerced

Author(s)

Paul Johnson <pauljohn@ku.edu>

Examples

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x1 <- c("TRUE", "FALSE", FALSE, TRUE, NA, ".", "N/A", " ", "")
checkCoercion(x1, "logical")
x1 <- c(x1, "TRUE.FALSE", "Has a space")
## Should fail:
checkCoercion(x1, "logical")
x2 <- c(4, 5, 6, 9.2, ".", " ")
## Should fail
checkCoercion(x2, "logical")
x3 <- factor(c("bob", "emily", "bob", "jane", "N/A", " ", NA, "NA"))
checkCoercion(x3, "ordered")
checkCoercion(x3, "integer")
## Should fail:
checkCoercion(x3, "logical")

kutils documentation built on April 30, 2020, 1:05 a.m.