Finding an observation from a specific date
Extracting the observation at a specified point in time can come in handy when working with data such as financial records or sales history.
In this exercise, you'll extract observations from card_prices
, a multiple time series that tracks the average price of three popular trading cards.
This exercise is part of the course
Manipulating Time Series Data in R
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Extract Feb. 25, 2013
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