Check User-Supplied Function Arguments
Workaround: Avoid backtraces in examples
Abort Check
Concatenate with Commas
Check Data
Check Dimension
Check Directories Exist
Check Files Exist
Check Key
Check Length
Check Names
Check Values and Class
Check All Equal
Check All Equivalent
Check All Identical
Check All
Check Array
Check Atomic
Check Character or Factor
Check Character
Check Character Scalar
Check Compatible Lengths
Check Complex Number
Check Complex
Check Count
Check Data
Check Date Time
Check Date
Check Double Scalar
Deprecated functions
Check Directory Exists
Check Double
Check Environment
Check Equal
Check Equivalent
Check File Extension
Check Factor
Check FALSE
Check File Exists
Check Flag
Check Function
Check Greater Than
Check Greater Than or Equal To
Check Identical
Check Integer
Check Class
Check Join
Check Length
Check Logical Scalar
Check List
Check Logical
Check Less Than
Check Less Than or Equal To
Check Matches
Check Matrix
Check Missing Argument
Check Named
Check Not Any Missing Values
Check Not Empty
Check Not Missing Argument
Check not NULL
Check Not Subset
Check NULL Or
Check NULL
Check Number
Check Numeric
Check Set Ordered
Checks range of non-missing values
Check Raw
Check Type
Check Inherits from S4 Class
Check Scalar
Check Set Equal
Check Sorted
Check String
Check Subset
Check Superset
Check TRUE
Check Time Zone
Check Unique
Check ... Unused
Check ... Used
Check Valid Name
Check Vector
Check Whole Number
Check Whole Numeric
Check Whole Numeric Scalar
chk: Check User-Supplied Function Arguments
Chk OR
Check OR
Deparse Backtick
Stop, Warning and Message Messages
Expect Chk Error
Construct Tidyverse Style Message
Concatenate Strings
Parameter Descriptions for chk Package
For developers to check user-supplied function arguments. It is designed to be simple, fast and customizable. Error messages follow the tidyverse style guide.
Useful links