#CHAPTER ONE : DATA MANAGEMENT IN R

In this chapter we will cover a number of functions, commands and packages used for data management in R

data Types in R

there are six different data types in R including

Vectors

vectors are the fundamental components for all data Types in R based on the scale of measurement, they can be categorized different components including

  1. characters
  2. ordered
  3. factors
  4. Integer
  5. Numeric
  6. logical

Examle 1

x<-c(12,11.5, 12.5, 13.5, 21,23, 24, 21, 25, 26)
plot(density(x))

hist(x)

boxplot(x)

Example 2

y<-c(T,T,T,T,F,F,F,F,T,F)
table(y)
## y
## FALSE  TRUE 
##     5     5
barplot(y)