Introduction – Installing and Basic commands. Experiment :1 Introduction to R and How to install R in PC. Experiment :2 Data types , different commands and built-in functions and databases.

 apple<- c('red','green',"yellow")

print(apple)

print(class(apple))

sa<- c(1,2,3,4)

print(sa)

print(class(sa))

y<-seq(1,10,2)

print(y)

print(class(y))

list1<-list(c(2,5),21.3,sin)

print(list1)

print(class(list1))

M=matrix(c('a','a','b','c','b','a'),nrow=2,ncol=3,byrow=TRUE)

print(M)

print(class(M))

a<-array(c('green','yellow'),dim=c(3,3,2))

print(a)

app_col<-c('green','green','yellow','red','red','red','green')

fac_col<-factor(app_col)

print(fac_col)

print(nlevels(fac_col))

BMI <-data.frame(gender=c("Male","Male","Female"),height=c(152,171.5,165),weight=c(81,93,78),age=c(42,38,26))

print(BMI)

df=data.frame(

  "Name"=c("Amiya","Raj","Asish"),"Language"=c("R","Python","Java"),"Age"=c(22,25,45))

print(df)

cat("Accessing First and Second row\n")

print(df[1:2,])

cat("Accessing First and Second Column\n")

print(df[,1:2])