Variance-covariance matrix

[Sara Allison]

Dear Michel,

I am almost new to Pandasbiogeme. I would like to know if it is possible to have the variance-covariance matrix in the Biogeme output file? If so, can you please let me know what coding should be used?  

Thanks

Best,

Sara. 

[Bierlaire Michel]

The output of the estimate function is an object of type bioResults, documented here: 

http://biogeme.epfl.ch/sphinx/results.html

The variance-covariance matrices are available as

results.data.varCovar

results.data.robust_varCovar

results.data.bootstrap_varCovar

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[Sara Allison]

Thanks Michel for this. I have the results in the notebook output. I wonder if it is possible to have the full table in the html output as well? 

best,

Sara.

[Bierlaire Michel]

The standard error and the covariance can already be found in the html file. Now, if you need them formatted differently, you’ll need to program yourself a small Python script.

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