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Checks whether specific colnames are missing from a data frame.
check_missing_colnames(x, colnames, x_name = substitute(x), error = TRUE)
The data to check.
A character vector of the column names that must be missing from x.
A string of the name of the object.
A flag indicating whether to throw an informative error or immediately generate an informative message if the check fails.
An invisible copy of x (if it doesn't throw an error).
check_colnames and check_data
check_colnames
check_data
# NOT RUN { data <- data.frame(x = 1, y = 2, z = 0) check_missing_colnames(data, c("y", "x", "a"), error = FALSE) check_missing_colnames(data, "a", error = FALSE) # }
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