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  3. Data Manipulation with data.table in R

Exercise

Creating a data.table

Just like how the data.frame() function can be used to create a data frame, you can create a data.table using the data.table() function. In this exercise, you will create the following data.table: 

X
   id value
1:  a   0.5
2:  b   1.0
3:  c   1.5

Instructions

100 XP
  • Load the data.table package.
  • Create the data.table X shown above. Note that the column id is of type character and value is of type numeric.