Create a list of 5 states having state name as variable name and number of covid-19 cases as its values.

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

Module – 1

Problem 1: Use R  to compute the following values.

(a) 27(38-17)

(b) (147¬) * (39) 

(d) 54%3

(e) 54/3

(f) Find cube of 999

Problem 2: Construct 2 lists containing mentioned data types  (Numeric, Character, Complex, Logical, Vector) and do the following…

a. Create another list which has a vector as an input inside it.

b. Find the length and class of the above created list.

 

Problem 3: Create a list of two vectors containing integers (numbers from 1 to 10 in one and 5 to 15 in other) 

• Index the 8th element of the first list and 8th element of second list

• Unlist the second back to atomic vectors

• Subset the new list from 6th element to 14th element

Problem 4: Create a list of 5 states having state name as the variable name and a number of covid-19 cases as its values.

A. Access a few values through its variable name use $ to do so.

B. Find the class and length of the list

C. Subset the third state and its value.

 

Note: Use R to solve the given problems in the above.  After you do so, cut and paste your input and output from R to Word, else you can submit your code file along with the question and the question number.  If you are sending it in a word file add numbering in Word to identify each part of each problem.  (Do this for every problem from now on.)

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