datalabs 0.1.4.dev0

Datalabs

DataLab API CN

Installation

Install

```shell
pip install --upgrade pip
pip install datalabs
```  

or

```shell
pip install --upgrade pip
git clone https://github.com/ExpressAI/Datalab.git
cd Datalab
pip install .
```

Dataset Operation

# pip install datalab
from datalabs import operations, load_dataset
from featurize import *


dataset = load_dataset("ag_news")

# print(task schema)
print(dataset['test']._info.task_templates)

# data operators
res = dataset["test"].apply(get_text_length)
print(next(res))


# get entity
res = dataset["test"].apply(get_entity_spacy)
print(next(res))

# get postag
res = dataset["test"].apply(get_postag_spacy)
print(next(res))

from edit import *
# add typos
res = dataset["test"].apply(add_typo)
print(next(res))

#  change person name
res = dataset["test"].apply(change_person_name)
print(next(res))

Task Schema

• text-classification

  • text:str
  • label:ClassLabel

• text-matching

  • text1:str
  • text2:str
  • label:ClassLabel

• summarization

  • text:str
  • summary:str

• sequence-labeling

  • tokens:List[str]
  • tags:List[ClassLabel]

• question-answering-extractive:

  • context:str
  • question:str
  • answers:List[{"text":"","answer_start":""}]

one can use dataset[SPLIT]._info.task_templates to get more useful task-dependent information, where SPLIT could be train or validation or test.

Supported Datasets

• here