The conclusion is that the best C regularization is 0.01 as the Culmen length is on > 0 and < 0.5. Why Culmen depth does not have C value?
Be careful, this is not the value of C that is plotted but the weight values. Basically, it is not that the culmen depth does not have a weight, it is just that the weight is that small that we don’t see it on the plot. You can check the dataframe (or series) of the weights.
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