"bowers_seis" notebook - error message running Pressure Prediction with Bowers method:

[salsa360]

Hi Yu Hao,

I've tried running your "bowers_seis" notebook and keep getting the following error when trying to view the fitted density trend:

RuntimeWarning: invalid value encountered in power return ((v-v0)/a)**(1/b) OptimizeWarning: Covariance of the parameters could not be estimated category=OptimizeWarning) RuntimeWarning: Implicit conversion from float64 to float32 (narrowing) warnings.warn(msg.format(x.dtype, dtype), RuntimeWarning)