Loading and Saving CSVs with R
filter with logical operators
data frame object
Excluding Columns with select() in Dplyr
data frames primary information
The dplyr package provides functions that perform data manipulation operations oriented to explore and manipulate datasets. At the most basic level, the package functions refers to data manipulation “verbs” such as select, filter, mutate, arrange, summarize among others that allow to chain multiple steps in a few lines of code. The dplyr package is suitable to work with a single dataset as well as to achieve complex results in large datasets.
Manipulating Data Frames in R
You’re doing some analytics on the ages of the typical customer for a company. They give you a data frame
customerscontaining the information from the table below. If you want to ignore all of the PII (personal identifying information) and only select the ages from the data frame, which of the follow lines of code would you use?