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# Copyright 2016 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ==============================================================================
"""Module includes reference datasets and utilities to load datasets."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import csv
from os import path
import numpy as np
from tensorflow.contrib.learn.python.learn.datasets import base
from tensorflow.contrib.learn.python.learn.datasets import mnist
from tensorflow.contrib.learn.python.learn.datasets import text_datasets
# Export load_iris and load_boston.
load_iris = base.load_iris
load_boston = base.load_boston
# List of all available datasets.
# Note, currently they may return different types.
DATASETS = {
# Returns base.Dataset.
'iris': base.load_iris,
'boston': base.load_boston,
# Returns base.Datasets (train/validation/test sets).
'mnist': mnist.load_mnist,
'dbpedia': text_datasets.load_dbpedia,
}
def load_dataset(name, size='small', test_with_fake_data=False):
"""Loads dataset by name.
Args:
name: Name of the dataset to load.
size: Size of the dataset to load.
test_with_fake_data: If true, load with fake dataset.
Returns:
Features and labels for given dataset. Can be numpy or iterator.
Raises:
ValueError: if `name` is not found.
"""
if name not in DATASETS:
raise ValueError('Name of dataset is not found: %s' % name)
if name == 'dbpedia':
return DATASETS[name](size, test_with_fake_data)
else:
return DATASETS[name]()
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