Sum without Repeating Data in Arrays
If I have two or three tables with data and some of these data overlap between each table, how do I sum up the data without double-counting the overlapping data? And is there a visual way for excel to colorcode which ones overlap?
Example: (these are made-up data and a situation) Table 1: (A1 to C3) Office Paper Recycling Company 1 4/1/2010 5/1/2010 6/2010 100 150 69 Table 2: (A5 to C7) Office Paper Recycling Company 2 4/1/2010 7/1/2010 8/2010 100 75 69 Table 3: (A9 to C11) Compost Waste 4/3/2010 5/1/2010 50 69 The total amount of waste generated would be 100+150+69+75+69+50+69. (Going from top to bottom, left to right) in this case. Only overlapping data would be the April 1st's 100 since both companies counted the paper waste to be theirs. I want the Excel to recognize that the April 1st's 100 data overlaps and only add it once in calculating the total amount of waste. Thank you for your time and help. |
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