Search found 2 matches
- Sun Aug 28, 2011 10:58 am
- Forum: Estimation
- Topic: Logistic Regression singular covariance
- Replies: 15
- Views: 19710
Re: Logistic Regression singular covariance
If the DEX dummy variable has that problem then drop the variable since K is not greater than 2
- Sun Aug 28, 2011 10:53 am
- Forum: Estimation
- Topic: Logistic Regression singular covariance
- Replies: 15
- Views: 19710
Re: Logistic Regression singular covariance
I had a similar problem with the Singular covariace. This is because one (or more) of the dummy variables has only zero values (It can be in any of the dummy variables DC orDEX) as an example I will use the DC Variable DC Variable (the dummy variables from DC01 to DC06) DC01 1 0 0 0 0 0 DC02 0 1 0 0...