All estimators failed to fit

[jameschapman19]

All estimators failed to fit

[jameschapman19]

just noting I've seen this! Will aim to take a look as this is fairly important thanks for the code snip!

[jameschapman19]

Cool so immediate fix is change line

param_grid = {'c': [c1,c2]}

to

param_grid = {'c': [list(c1), list(c2)]}

Just a quirk of how I've set it up to process parameters at the moment.

I'm leaving this as an issue as a) there's no particular reason why numpy arrays are a bad idea and perhaps more importantly b) the error message is unhelpful in this instance. That bit leans on scikit code so might have to think about that.

Interestingly I just learnt that verbosity can be a number as well as a bool which would have been marginally more helpful in this instance (say verbosity=10) as it would show that it was trying to fit a model with c=[0,0.1,0.2 ...]. Also useful cos the gridsearch takes some time and gives more progress updates.

[jameschapman19]

noticed it's under hcp_project directory so I'm curious how it goes! Oddly enough this whole thing started out of me trying to replicate someone in my groups work on HCP using MATLAB.