Exercise

map_*

The map() function will return its output as a list. However, there are several different map() functions; you can use map_*() functions to tell purrr the type of output you want. The * in map_*() represents different R data types. For instance, you might want the output to be a vector of numbers so that we can put it inside a dataframe. So, unless you want something to be returned as a list, you need to determine what you want the output to be before you write your map() function.

Instructions 1/2

XP

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Determine the length of each element of the wesanderson dataset using our original map() function. Examine the output.

Take Hint (-15 XP)