Posts Tagged ‘ date and time values ’

Example 7.13: Read a file with two lines per observation

September 24, 2009
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Example 7.13: Read a file with two lines per observation

In example 7.6 we showed how to retrieve the Amazon sales rank of a book. A cron job on one of our machines grabs the sales rank hourly. We’d like to use this data to satisfy our curiosity about when and how often a book sells. A complication is that the result of the cron job is a...

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