Here is a sample of my data:
I need to write a formula that answers this question:
date_sign_up | customer_id | product_name | marketing_channel | City |
4/17/15 13:11 | 71041 | Classic - 3 meals per week for 2 people | Search Engine Marketing | San Diego |
4/14/15 11:32 | 103289 | Classic - 3 meals per week for 2 people | Newsletters (internal) | Los Angeles |
4/14/15 9:53 | 107746 | Classic - 3 meals per week for 2 people | Newsletters (internal) | Los Angeles |
4/14/15 16:08 | 157441 | Classic - 3 meals per week for 4 people | Newsletters (internal) | San Francisco |
4/18/15 8:04 | 158646 | Classic - 3 meals per week for 2 people | Newsletters (internal) | San Diego |
4/18/15 15:41 | 178843 | 3 Meals (vegetarian) for 2 people | TV / Radio Advertising | Miami |
4/15/15 9:45 | 179297 | Classic - 3 meals per week for 2 people | Newsletters (internal) | Philadelphia |
I need to write a formula that answers this question:
How many customers purchased more than 1 product? Solve with 1 formula and show the formula you used. |