A library for exploring and validating machine learning data.

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  • License: Apache Software License (Apache 2.0)
  • Author: Google LLC
  • Tags tensorflow, data, validation, tfx
  • Requires: Python >=3.6, <4
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Project description

TensorFlow Data Validation

Python PyPI Documentation

TensorFlow Data Validation (TFDV) is a library for exploring and validating machine learning data. It is designed to be highly scalable and to work well with TensorFlow and TensorFlow Extended (TFX).

TF Data Validation includes:

  • Scalable calculation of summary statistics of training and test data.
  • Integration with a viewer for data distributions and statistics, as well as faceted comparison of pairs of features (Facets)
  • Automated data-schema generation to describe expectations about data like required values, ranges, and vocabularies
  • A schema viewer to help you inspect the schema.
  • Anomaly detection to identify anomalies, such as missing features, out-of-range values, or wrong feature types, to name a few.
  • An anomalies viewer so that you can see what features have anomalies and learn more in order to correct them.

For instructions on using TFDV, see the get started guide and try out the example notebook. Some of the techniques implemented in TFDV are described in a technical paper published in SysML'19.

Caution: TFDV may be backwards incompatible before version 1.0.

Installing from PyPI

The recommended way to install TFDV is using the PyPI package:

pip install tensorflow-data-validation

Nightly Packages

TFDV also hosts nightly packages at https://pypi-nightly.tensorflow.org on Google Cloud. To install the latest nightly package, please use the following command:

pip install -i https://pypi-nightly.tensorflow.org/simple tensorflow-data-validation

This will install the nightly packages for the major dependencies of TFDV such as TFX Basic Shared Libraries (TFX-BSL) and TensorFlow Metadata (TFMD).

Build with Docker

This is the recommended way to build TFDV under Linux, and is continuously tested at Google.

1. Install Docker

Please first install docker and docker-compose by following the directions: docker; docker-compose.

2. Clone the TFDV repository

git clone https://github.com/tensorflow/data-validation
cd data-validation

Note that these instructions will install the latest master branch of TensorFlow Data Validation. If you want to install a specific branch (such as a release branch), pass -b <branchname> to the git clone command.

3. Build the pip package

Then, run the following at the project root:

sudo docker-compose build manylinux2010
sudo docker-compose run -e PYTHON_VERSION=${PYTHON_VERSION} manylinux2010

where PYTHON_VERSION is one of {35, 36, 37, 38}.

A wheel will be produced under dist/.

4. Install the pip package

pip install dist/*.whl

Build from source

1. Prerequisites

To compile and use TFDV, you need to set up some prerequisites.

Install NumPy

If NumPy is not installed on your system, install it now by following these directions.

Install Bazel

If Bazel is not installed on your system, install it now by following these directions.

2. Clone the TFDV repository

git clone https://github.com/tensorflow/data-validation
cd data-validation

Note that these instructions will install the latest master branch of TensorFlow Data Validation. If you want to install a specific branch (such as a release branch), pass -b <branchname> to the git clone command.

3. Build the pip package

TFDV wheel is Python version dependent -- to build the pip package that works for a specific Python version, use that Python binary to run:

python setup.py bdist_wheel

You can find the generated .whl file in the dist subdirectory.

4. Install the pip package

pip install dist/*.whl

Supported platforms

TFDV is tested on the following 64-bit operating systems:

  • macOS 10.14.6 (Mojave) or later.
  • Ubuntu 16.04 or later.
  • Windows 7 or later.

Notable Dependencies

TensorFlow is required.

Apache Beam is required; it's the way that efficient distributed computation is supported. By default, Apache Beam runs in local mode but can also run in distributed mode using Google Cloud Dataflow and other Apache Beam runners.

Apache Arrow is also required. TFDV uses Arrow to represent data internally in order to make use of vectorized numpy functions.

Compatible versions

The following table shows the package versions that are compatible with each other. This is determined by our testing framework, but other untested combinations may also work.

tensorflow-data-validation apache-beam[gcp] pyarrow tensorflow tensorflow-metadata tensorflow-transform tfx-bsl
GitHub master 2.28.0 2.0.0 nightly (1.x/2.x) 0.29.0 n/a 0.29.0
0.29.0 2.28.0 2.0.0 1.15 / 2.4 0.29.0 n/a 0.29.0
0.28.0 2.28.0 2.0.0 1.15 / 2.4 0.28.0 n/a 0.28.1
0.27.0 2.27.0 2.0.0 1.15 / 2.4 0.27.0 n/a 0.27.0
0.26.0 2.25.0 0.17.0 1.15 / 2.3 0.26.0 0.26.0 0.26.0
0.25.0 2.25.0 0.17.0 1.15 / 2.3 0.25.0 0.25.0 0.25.0
0.24.1 2.24.0 0.17.0 1.15 / 2.3 0.24.0 0.24.1 0.24.1
0.24.0 2.23.0 0.17.0 1.15 / 2.3 0.24.0 0.24.0 0.24.0
0.23.1 2.24.0 0.17.0 1.15 / 2.3 0.23.0 0.23.0 0.23.0
0.23.0 2.23.0 0.17.0 1.15 / 2.3 0.23.0 0.23.0 0.23.0
0.22.2 2.20.0 0.16.0 1.15 / 2.2 0.22.0 0.22.0 0.22.1
0.22.1 2.20.0 0.16.0 1.15 / 2.2 0.22.0 0.22.0 0.22.1
0.22.0 2.20.0 0.16.0 1.15 / 2.2 0.22.0 0.22.0 0.22.0
0.21.5 2.17.0 0.15.0 1.15 / 2.1 0.21.0 0.21.1 0.21.3
0.21.4 2.17.0 0.15.0 1.15 / 2.1 0.21.0 0.21.1 0.21.3
0.21.2 2.17.0 0.15.0 1.15 / 2.1 0.21.0 0.21.0 0.21.0
0.21.1 2.17.0 0.15.0 1.15 / 2.1 0.21.0 0.21.0 0.21.0
0.21.0 2.17.0 0.15.0 1.15 / 2.1 0.21.0 0.21.0 0.21.0
0.15.0 2.16.0 0.14.0 1.15 / 2.0 0.15.0 0.15.0 0.15.0
0.14.1 2.14.0 0.14.0 1.14 0.14.0 0.14.0 n/a
0.14.0 2.14.0 0.14.0 1.14 0.14.0 0.14.0 n/a
0.13.1 2.11.0 n/a 1.13 0.12.1 0.13.0 n/a
0.13.0 2.11.0 n/a 1.13 0.12.1 0.13.0 n/a
0.12.0 2.10.0 n/a 1.12 0.12.1 0.12.0 n/a
0.11.0 2.8.0 n/a 1.11 0.9.0 0.11.0 n/a
0.9.0 2.6.0 n/a 1.9 n/a n/a n/a

Questions

Please direct any questions about working with TF Data Validation to Stack Overflow using the tensorflow-data-validation tag.

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Project details

Verified details

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Meta
  • License: Apache Software License (Apache 2.0)
  • Author: Google LLC
  • Tags tensorflow, data, validation, tfx
  • Requires: Python >=3.6, <4
Classifiers

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1.16.1

1.16.0

1.15.1

1.15.0

1.14.0

1.13.0

1.12.0

1.11.0

1.10.0

1.9.0

1.8.0

1.7.0

1.6.0

1.5.0

1.4.0

1.3.0

1.2.0

1.1.1

1.1.0

1.0.0

0.30.0

This version

0.29.0

0.28.0

0.27.0

0.26.1

0.26.0

0.25.0

0.24.1

0.24.0

0.23.1

0.23.0

0.22.2

0.22.1

0.22.0

0.21.5

0.21.4

0.21.2

0.21.1

0.21.0

0.15.0

0.14.1

0.14.0

0.13.1

0.13.0

0.12.0

0.11.0

0.9.0

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