Aim

Execute basic mathematical; and statistical operations in R

Algorithm

Step1: Create R code chunks

Step2: Write math expressions

Step3: Run the chunk codes

Step4: Report the results

R-code

In this experiment basic mathematical operations will be tested using R

# addition
a=10;
b=125;
total=a+b;
total;
## [1] 135
x=425;
y=345;
x-y;
## [1] 80
a1=34;
a2=5.4;
s=prod(a1,a2);
paste0("Product of ",a1," and ",a2, " is ",s);
## [1] "Product of 34 and 5.4 is 183.6"
c=32;
d=6;
qu=c/d;
qu;
## [1] 5.333333
rem=c%%d;
rem;
## [1] 2
r=32;
s=2;
d=r%/%s;
d;
## [1] 16
a=5;
b=5^2;
b;
## [1] 25
v=1:10;
v^10;
##  [1]           1        1024       59049     1048576     9765625    60466176
##  [7]   282475249  1073741824  3486784401 10000000000
ar=c(1,5,7,9,21);
5*ar;
## [1]   5  25  35  45 105
br=c(1,4,1,2,8);
ar;br;ar*br;
## [1]  1  5  7  9 21
## [1] 1 4 1 2 8
## [1]   1  20   7  18 168
floor(3.1427)
## [1] 3
ceiling(.6879)
## [1] 1
factorial(10)
## [1] 3628800

To find \(nCr=\frac{n!}{r!(n-r)!}\)

choose(5,3)
## [1] 10

Permutation can be found using :\(^n P_r=n\times(n-1) \times \cdots \times (n-r+1)\)

prod(10:(10-4+1))
## [1] 5040

Creating a user Dataframe

Names=c("Ben","Alice","Jiju","Jilu","Libin","Abin")
Age=c(18,21,19,23,32,30)
Salary=c(23000,18000,21000,35000,40000,45000)
Data=data.frame(Names,Age,Salary)
Data
##   Names Age Salary
## 1   Ben  18  23000
## 2 Alice  21  18000
## 3  Jiju  19  21000
## 4  Jilu  23  35000
## 5 Libin  32  40000
## 6  Abin  30  45000
Data$Names[1:3]
## [1] "Ben"   "Alice" "Jiju"
Data$Names[1]
## [1] "Ben"
mean(Data$Age)
## [1] 23.83333

Result

Basic Maths and Stao are implemented using R Language.