Make getSymbols() return the data it retrieves
In the last exercise, getSymbols() automatically created an object named like the symbol you provided. This exercise will teach you to make getSymbols() return the data, so you can assign the output yourself.
There are two arguments that will make getSymbols() return the data:
- Set
auto.assign = FALSE. - Set
env = NULL.
The two methods are functionally equivalent, but auto.assign = FALSE describes the behavior better. Use it because you will be more likely to remember what auto.assign = FALSE means in the future.
Cet exercice fait partie du cours
Importing and Managing Financial Data in R
Instructions
- Download SPY data and assign it to an object named
spyby using theauto.assignargument. - Use the
str()function to view the structure of thespyobject. - Download JNJ data and assign it to an object named
jnjby using theenvargument. - Use the
str()again, but on thejnjobject.
Exercice interactif pratique
Essayez cet exercice en complétant cet exemple de code.
# Assign SPY data to 'spy' using auto.assign argument
# Look at the structure of the 'spy' object
# Assign JNJ data to 'jnj' using env argument
# Look at the structure of the 'jnj' object