1. 학습
    2. /
  2. 강의
    3. /
  3. Visualizing Big Data with Trelliscope in R
Connected

연습 문제

Grouping and nesting

Let's practice nesting data frames, getting familiar with the output, and computing on nested data frames.

지침 1/3

undefined XP
    1
    2
    3

Nest the stocks data by symbol, creating a new output datset by_symbol. Recall that you first need to group_by() with dplyr and then nest() with tidyr.