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Data Extraction
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R Introduction: Part II

Data ExtractionData Extraction

Finish the section with practice on abstract local furniture store selling data!


You will work with the data below. This data is stored in the store variable.

Dining table11579
Kitchen Cabinet7067

Your tasks are:

  1. Add a new column named 'Revenue' with the revenue of each item (multiply 'Price' and 'Sold'). To access columns, use the $ sign.
  2. Using the sum() function, calculate the total number of items sold. Save in items_sold variable and output its value.
  3. Calculate total revenue using sum() function. Save in the total_revenue variable and output its value.
  4. Find out the average price of the sold item - divide total_revenue by items_sold.

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Seção 2. Capítulo 7
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