njayaram2 commented on a change in pull request #357: Utilities: Add one-hot
encode for dependent variable in Minibatch DL
URL: https://github.com/apache/madlib/pull/357#discussion_r267479446
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File path: src/ports/postgres/modules/utilities/minibatch_preprocessing.py_in
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@@ -448,6 +345,131 @@ class MiniBatchPreProcessor:
plpy.execute(query)
+class MiniBatchPreProcessorDL(MiniBatchPreProcessor):
+ def __init__(self, schema_madlib, source_table, output_table,
+ dependent_varname, independent_varname, buffer_size,
+ normalizing_const=1.0, **kwargs):
+ self.schema_madlib = schema_madlib
+ self.source_table = source_table
+ self.output_table = output_table
+ self.dependent_varname = dependent_varname
+ self.independent_varname = independent_varname
+ self.buffer_size = buffer_size
+ self.normalizing_const = normalizing_const if normalizing_const else
1.0
+ self.module_name = "minibatch_preprocessor_DL"
+ self.output_summary_table = add_postfix(self.output_table, "_summary")
+ self._validate_args()
+ self.num_of_buffers = self._get_num_buffers()
+ self.to_one_hot_encode = True
Review comment:
This variable is not used anywhere.
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