Check whether test_names are columns in the data.frame df

Check whether test_names are columns in the data.frame df

.check_colnames(test_names, df, throw_error = T)

Arguments

test_names	a vector of column names to test
df	the data.frame to test against
throw_error	boolean indicating whether to throw an error if any test_names are not found in df

Value

boolean indicating whether or not all test_names are columns of df