Hi I spent days on seeking a solution to present 3 variables. Here's an example:
I want to carry out a survey in Sept, Oct and Nov. I will asking 1000 random people in each survey what is their personal favourite--- iPhone, Nexus or Blackberry. Counts of each phone type is then divided into male and female.
Now we have three variables: gender, phone type and month. Is there any way I can present 3 variables on X, Y & Z axes and the value at their intersection as bubble size (or colour gradient)?? Theoretically it's possible but I can't find a way to do it in excel. Or anyone knows any software that can get the job done?
Thnks!!!!
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