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assertive (version 0.3-2)

Readable Check Functions to Ensure Code Integrity

Description

Lots of predicates (is_* functions) to check the state of your variables, and assertions (assert_* functions) to throw errors if they aren't in the right form.

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Version

Install

install.packages('assertive')

Monthly Downloads

166

Version

0.3-2

License

GPL (>= 3)

Maintainer

Richard Cotton

Last Published

March 8th, 2016

Functions in assertive (0.3-2)

is_divisible_by

Is the input divisible by a number?

is_xxx_for_decimal_point

What does the current locale specify for the decimal point?

Does the character vector contain hex colors?

Is this version of R up to date?

Is the input real/imaginary?

Are the inputs (in)finite?

are_same_length

Are the inputs the same length/dimension?

Does the input have the specified attributes?

Is the input of type character?

is_empty_character

Does the input contain empty or missing strings?

Is the input a language object?

Is the input the name of a (formally defined) class?

Is the input atomic/recursive/vector?

Call a function, and give the result names.

Are the inputs identical?

Does the input have rows/columns?

Does the character vector contain dates?

Is the input a (dendrogram) leaf?

Is the input function being debugged? See is_debugged.

Is the path a directory?

Does the current call have an argument? See has_arg.

Does the input have terms?

Does the variable exist? See is_existing.

Get or set the "cause" attribute

Is the input a date?

Wrapper to vapply that returns booleans.

is_credit_card_number

Does the character vector contain credit card numbers?

Is the input a connection?

has_any_attributes

Does the input have any attributes?

Is the input in the past/future?

Does the input have dimensions?

Does the code run without throwing an error? See is_error_free.

Does the character vector contain CAS registry numbers?

is_diagonal_matrix

Is the input a diagonal matrix?

Important changes to assertive

Is the input complex?

character_to_list_of_integer_vectors

Convert a character vector to a list of integer vectors See character_to_list_of_integer_vectors.

Is the input is a data.frame?

is_inherited_from

Does the object inherit from some class?

How does the input relate to a value?

Coerce variable to a different class

Is the input an environment?

Readable check functions to ensure code integrity.

Is the input a QR decomposition of a matrix?

is_email_address

Does the character vector contain email addresses?

Does the S4 input have a slot?

Is the input a data.table?

Alternative version of is

assert_is_all_of

Does x belong to these classes?

Does the input have duplicates?

Is the input a factor?

is_package_current

Is the installed version of a package current?

Set comparisons

Is the input a raster?

FALSE, with a cause of failure

Is the input TRUE/FALSE/NA?

Is the input logical?

Condition classes

is_if_condition

Is suitable to be used as an if condition See is_if_condition.

is_binding_locked

Is the binding of a variable locked? See is_binding_locked.

Is the input an array or matrix?

Get the dimensions of an object

get_name_in_parent

Get the name of a variable in the parent frame

is_executable_file

Is the file accessible?

Does the character vector contain ISBN book codes?

Checks to see if the input is (not) null.

Is the input empty/scalar?

is_lower_triangular_matrix

Is the matrix upper/lower triangular?

Run code without stopping

Is the input the empty model?

Is a file empty?

Is the input a function?

Is the input in range?

Does the input have names?

Throws an error if a condition isn't met

is_identity_matrix

Is the input an identity matrix?

Is the input a list?

How is R running?

Is the input numeric?

Is the directory a known R library?

Is the string an honorific?

is_numeric_string

Does the string contain a number? See is_numeric_string.

Are you running R?

Is the input raw?

Is the input a condition?

strip_attributes

Strip all attributes from a variable

Is the input (not) NaN?

is_existing_file

Does the file exist?

Set a cause and return the input

Is the path on the OS path?

Is the input a tbl?

Is the input a table?

Does the character vector contain IP addresses?

Is the input a time series?

Is the input DLL loaded? See is_loaded.

What OS is running?

Is the input an integer?

is_whole_number

Is the input a whole number?

is_rstudio_desktop

Is RStudio running in desktop or server mode?

Get the number of elements

r_has_jpeg_capability

Does R have a capability?

is_square_matrix

Is the input a square matrix?

Is the string a valid US zip code?

is_uk_national_insurance_number

Is the string a valid UK national insurance number?

is_us_social_security_number

Is the string a valid US SSN?

Is the input a formula?

is_rstudio_current

Is RStudio the current version?

Get or set the system locale

Is the input relistable?

is_symmetric_matrix

Is the input a symmetric matrix?

Is the input unsorted?

Only use the first element of a vector

is_single_character

Is the input a single character? See is_single_character.

is_uk_telephone_number

Is the string a valid UK telephone number?

is_uk_car_licence

Is the string a valid UK car licence plate number?

merge_dots_with_list

Merge ellipsis args with a list.

Is the input an S4 object?

is_us_telephone_number

Is the string a valid US telephone number?

NA, with a cause of failure

r_can_find_tools

Can R find tools?

Is the input a zero matrix?

Is the string a valid UK postcode?

is_valid_variable_name

Is the string a valid variable name? See is_valid_variable_name.

Wrap a string in brackets

is_valid_r_code

Is the input valid R code? See is_valid_r_code.