datatable.models.Ftrl.lambda1¶
lambda1
lambda1
L1 regularization parameter, \(\lambda_1\) in per-coordinate FTRL-Proximal algorithm.
Parameters¶
return
float
Current lambda1
value.
new_lambda1
float
New lambda1
value, should be non-negative.
except
ValueError
The exception is raised when new_lambda1
is negative.
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