R Notebook

Question 1

a) Declaration of variables

DNA_seq1 = 'CTGATGCT'
DNA_seq2 = 'GTA'
print(DNA_seq1)

[1] "CTGATGCT"

print(DNA_seq2)

[1] "GTA"

b) Concatenation of variables

con_seq = paste(DNA_seq1, DNA_seq2, sep = '')
print(con_seq)

[1] "CTGATGCTGTA"

c) Substring of a variable

seq_string = substr(DNA_seq1, 2, 5)
print(seq_string)

[1] "TGAT"

Question 2

Arithmetic operations

x = 2
y = 5

add = x+y
print(add)

[1] 7

sub = x-y
print(sub)

[1] -3

multiply = x*y
print(multiply)

[1] 10

divide = x/y
print(divide)

[1] 0.4

power = x^y
print(power)

[1] 32

mod = x%%y
print(mod)

[1] 2