tfseqestimator 2.2.1

Sequence estimators for Tensorflow

tfseqestimator

Sequence estimators for TensorFlow.

Available estimators

• FullSequenceClassifier: one class for a whole sequence
• FullSequenceRegressor: one value for a whole sequence
• SequenceItemsClassifier: one class for each sequence item
• SequenceItemsRegressor: one value for each sequence item

Usage

from tfseqestimator import FullSequenceClassifier, RnnType
import tensorflow.contrib.feature_column as contrib_features

token_sequence = contrib_features.sequence_categorical_column_with_hash_bucket(...)
token_emb = contrib_features.embedding_column(categorical_column=token_sequence, ...)

estimator = FullSequenceClassifier(
    sequence_feature_columns=[token_emb],
    rnn_type=RnnType.REGULAR_STACKED_LSTM,
    rnn_layers=[32, 16]
)

# Input builders
def input_fn_train: # returns x, y
  pass
estimator.train(input_fn=input_fn_train, steps=100)

def input_fn_eval: # returns x, y
  pass
metrics = estimator.evaluate(input_fn=input_fn_eval, steps=10)

def input_fn_predict: # returns x, None
  pass
predictions = estimator.predict(input_fn=input_fn_predict)