Posts Tagged ‘ Amazon Sales rank ’

Example 7.15: A more complex sales graphic

October 13, 2009
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Example 7.15: A more complex sales graphic

The plot of Amazon sales rank over time generated in example 7.14 leaves questions. From a software perspective, we'd like to make the plot prettier, while we can embellish the plot to inform our interpretation about how the rank is calculated.For the latter purpose, we'll create an indicator of whether the rank was recorded in nighttime (eastern US...

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Example 7.14: A simple graphic of sales

September 29, 2009
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Example 7.14: A simple graphic of sales

In this example, we show a simple plot of the sales rank data read in as shown in example 7.13.SASIn SAS, we use the symbol statement (section 5.3) to request small (with the h option) dots (with the v option, and that the dots not be connected (with the i option. (See sections 5.2.2, 5.3.9 for more details.)we...

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Example 7.6: Find Amazon sales rank for a book

July 20, 2009
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Example 7.6: Find Amazon sales rank for a book

In honor of Amazon's official release date for the book, we offer this blog entry.Both SAS and R can be used to find the Amazon Sales Rank for a book by downloading the desired web page and ferreting out the appropriate line. This code is likely to br...

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