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Creating Date objects

The readr import functions can automatically recognize dates in standard ISO 8601 format (YYYY-MM-DD) and parse columns accordingly. If you want to import a dataset with dates in other formats, you can use parse_date().

In this exercise, you'll be working with some weather data. Each date is stored according to American convention: MM/DD/YYYY. In order to specify this format, you'll use %m for two-digit month, %d for two-digit day, and %Y for four-digit year.

This exercise is part of the course

Reading Data into R with readr

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Exercise instructions

Parse the date column of the weather data frame using parse_date(). Set the format argument to "%m/%d/%Y" and assign the result back to the date column.

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

# Change type of date column
weather$date <- ___
Edit and Run Code