fastai-datasets

Name	fastai-datasets JSON
Version	0.0.8 JSON
	download
home_page	https://github.com/Irad-Zehavi/fastai-datasets
Summary	Leveraging fastai to easily load and handle datasets
upload_time	2023-06-10 10:06:15
maintainer
docs_url	None
author	iradz
requires_python	>=3.7
license	Apache Software License 2.0
keywords	nbdev jupyter notebook python
VCS
bugtrack_url
requirements	No requirements were recorded.
Travis-CI	No Travis.
coveralls test coverage	No coveralls.

            fastai-datasets
================

<!-- WARNING: THIS FILE WAS AUTOGENERATED! DO NOT EDIT! -->

## Docs

See https://irad-zehavi.github.io/fastai-datasets/

## Install

``` sh
pip install fastai_datasets
```

## How to use

As an nbdev library, `fatai_datasets` supports `import *` (without
importing unwanted symbols):

``` python
from fastai_datasets.all import *
```

Here are a few usage examles:

### Easily load a dataset

``` python
mnist = MNIST()
mnist.dls().show_batch()
```

![](index_files/figure-commonmark/cell-3-output-1.png)

### Show the class distribution

``` python
mnist.plot_class_distribution()
```

![](index_files/figure-commonmark/cell-4-output-2.png)

### Sample a subset

Whole datasets:

``` python
mnist
```

    [(#60000) [(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7))...]
    (#10000) [(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(7))...]]

Subset:

``` python
mnist.random_sub_dsets(1000)
```

    [(#861) [(PILImageBW mode=L size=28x28, TensorCategory(3)),(PILImageBW mode=L size=28x28, TensorCategory(6)),(PILImageBW mode=L size=28x28, TensorCategory(7)),(PILImageBW mode=L size=28x28, TensorCategory(3)),(PILImageBW mode=L size=28x28, TensorCategory(3)),(PILImageBW mode=L size=28x28, TensorCategory(3)),(PILImageBW mode=L size=28x28, TensorCategory(4)),(PILImageBW mode=L size=28x28, TensorCategory(1)),(PILImageBW mode=L size=28x28, TensorCategory(5)),(PILImageBW mode=L size=28x28, TensorCategory(1))...]
    (#139) [(PILImageBW mode=L size=28x28, TensorCategory(0)),(PILImageBW mode=L size=28x28, TensorCategory(0)),(PILImageBW mode=L size=28x28, TensorCategory(1)),(PILImageBW mode=L size=28x28, TensorCategory(2)),(PILImageBW mode=L size=28x28, TensorCategory(8)),(PILImageBW mode=L size=28x28, TensorCategory(4)),(PILImageBW mode=L size=28x28, TensorCategory(2)),(PILImageBW mode=L size=28x28, TensorCategory(8)),(PILImageBW mode=L size=28x28, TensorCategory(1)),(PILImageBW mode=L size=28x28, TensorCategory(9))...]]

### Construct a subset based on classes

``` python
cifar10 = CIFAR10()
dig_frog_bird = cifar10.by_target['dog'] + cifar10.by_target['frog'] + cifar10.by_target['bird']
dig_frog_bird.dls().show_batch()
```

![](index_files/figure-commonmark/cell-7-output-2.png)

### Construct a dataset of similarity pairs

``` python
Pairs(cifar10, .01).dls().show_batch()
```

![](index_files/figure-commonmark/cell-8-output-2.png)

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iradz