Search found 2 matches
- Mon Oct 10, 2016 10:00 am
- Forum: Estimation
- Topic: Equation for differences between suppliers
- Replies: 2
- Views: 2831
- Mon Oct 10, 2016 3:21 am
- Forum: Estimation
- Topic: Equation for differences between suppliers
- Replies: 2
- Views: 2831
Equation for differences between suppliers
Hello, I have a dataset with data from three different suppliers. I want to see if there are differences with the suppliers as the independant variables. I tried giving them dummy variables in excel (1 and 0) but it gives me a near perfect collinearity error. Does anyone know how I can bypass this? ...