This returns only the set of estimator parameters currently in use

priv.learn_condition_on_act or priv.condition_on_actions

input: N = number of total data points avg_loss = average cost of the batch max_weighted_cost = max cost during

This function is used to clear the weights of a specific offset in the innermost feature_width.

* Creates an example from a dense array of features * @param features - Map of namespace to feature values * @param label - Optional label strin

Predict confidence scores for samples. The confidence score for a sample is the signed distance of that sample to the hyperpl

A matching function for nested expressions, e.g. namespaces and tables.

Create an empty string column. Returns: A column of empty string with as much rows as the input dataframe.

//////////////////Helper///////////////////////////// /////////////////////////////////////////////////////

* Close the log stream

CB continuous label accessors

:param ldelim: number of braces to match. 0 means match [[]], {{}} and {{{}}}.

Free's the vw data structure.

Build DFtoVW instance using column names only. Compared to :meth:`DFtoVW.from_colnames`, this method allows for y and label_type to be optional and ar

Returns a subset of the current arguments VW received (e.g. numbits) @return VW argument object.

Returns coefficient weights as ordered sparse matrix Returns: sparse matrix: coefficient weights for model

Get logger output messages (warnings, errors, info messages). One line per item in the list. Raises: Exception: Raises an

This returns the full set of vw and estimator parameters currently in use

Get prediction object from this example. Args: prediction_type: - If None, the label type of the example's owning

node here the ec is already stored in the b.examples, the task here is to rout it to the leaf, and insert the ec_array_index to the leaf.

craft feature index for interaction see: interactions_predict.h:process_quadratic_interaction(..)

2 entities: 2 + 2*(2-1)/2 = 2 + 1 = 3 examples

* Loads a VW model from a file (Node.js only) * @param model_file - Path to the model file

Load templates from :param file:. :param output_file: file where to save templates and modules.

* Log a CB example synchronously * @param log_file - Path to log file * @param example - CB example object

This will move all elements after idx by width positions and reallocate the underlying buffer if needed.