Managing data with a data.table
The two major advantages of a
data.table as compared to a
data.frame are the speed and clearer syntax of the former. Similar to a
data.frame, we can perform operations to slice and subset a
data.table. Here, we introduce some operations that you can perform on
Ensure that you completed the Enhancing a data.frame with a data.table recipe to load
purchase_order.tab as both
data.table into your R environment.
How to do it…
Perform the following steps to perform data manipulation on
- First, use the
headfunction to view the first three rows:
> head(purchase.dt[1:3]) Time Action User Product 1: 2015-07-01 00:00:01 view U129297265 P0023468384 2: 2015-07-01 ...