(a) Create a vector "v" containing elements in the order given: "Monday", "Wednesday" and "Friday". (b) Print the vector "v" and print what its type is. (c) Use the R help to learn about the substr function. Use it to obtain the first 3 letters of each element of the vector "v". Save it as a new vector "firstthree" and print "firstthree". (d) Finally, print the second element of the vector "first three"
(a) Create a vector "v" containing elements in the order given: "Monday", "Wednesday" and "Friday". (b) Print the vector "v" and print what its type is. (c) Use the R help to learn about the substr function. Use it to obtain the first 3 letters of each element of the vector "v". Save it as a new vector "firstthree" and print "firstthree". (d) Finally, print the second element of the vector "first three"
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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Transcribed Image Text:Problem 1
(a) Create a vector "v" containing elements in the order given: "Monday", "Wednesday" and "Friday".
(b) Print the vector "v" and print what its type is.
(c) Use the R help to learn about the substr function. Use it to obtain the first 3 letters of each element
of the vector "v". Save it as a new vector "firstthree" and print "firstthree".
(d) Finally, print the second element of the vector "firstthree"
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