Set default arguments for a getSymbols source

You can also use setDefaults() on individual getSymbols() source methods. This exercise will teach you how to change the default value for the from argument to getSymbols.yahoo().

You can find the arguments for a specific method by using help() (e.g. help("getSymbols.yahoo") or by calling args() to print them to the console (e.g. args(getSymbols.yahoo)). Calling getDefaults() will show you the current default values (if there are any).

Remember, you are not supposed to call getSymbols.yahoo() directly!

Diese Übung ist Teil des Kurses

<Kurs>Importing and Managing Financial Data in R</Kurs>

Kurs ansehen

Übungsanweisungen

Use the args() function to print all the default arguments to getSymbols.yahoo().
Set the default of from for getSymbols.yahoo() to "2000-01-01".
Use getDefaults() to confirm that the from default was set correctly.

Interaktive praktische Übung

Versuche dich an dieser Übung, indem du diesen Beispielcode vervollständigst.

# Look at getSymbols.yahoo arguments


# Set default 'from' value for getSymbols.yahoo
setDefaults(___, ___ = "2000-01-01")

# Confirm defaults were set correctly
getDefaults("___")

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