Write a function called is_factor() that takes as input (x), an object. is_factor (x) outputs TRUE if the input object x is a factor and FALSE otherwise. This function should work for both ordered and unordered factor vectors. Write a function called is_list_of_factors() that takes as input x, an object. If x is a list where each sub-element is a factor, then is_list_of_factors(x) outputs TRUE, otherwise it outputs FALSE. You may use is_factor() in your solution. You can assumex will never be empty, but cannot assume x is a list. Problem 5 Write a function called get_name_of_min()) that takes as input (x), a named numeric vector and outputs the name of the minimum value of x. If x is not a numeric vector with names, throw an error of your choosing. If there are multiple elements equal to the minimum value of x, then output only the first name.
Write a function called is_factor() that takes as input (x), an object. is_factor (x) outputs TRUE if the input object x is a factor and FALSE otherwise. This function should work for both ordered and unordered factor vectors. Write a function called is_list_of_factors() that takes as input x, an object. If x is a list where each sub-element is a factor, then is_list_of_factors(x) outputs TRUE, otherwise it outputs FALSE. You may use is_factor() in your solution. You can assumex will never be empty, but cannot assume x is a list. Problem 5 Write a function called get_name_of_min()) that takes as input (x), a named numeric vector and outputs the name of the minimum value of x. If x is not a numeric vector with names, throw an error of your choosing. If there are multiple elements equal to the minimum value of x, then output only the first name.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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