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--- |
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license: apache-2.0 |
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task_categories: |
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- text-generation |
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language: |
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- en |
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tags: |
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- data-juicer |
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- pretraining |
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size_categories: |
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- 10M<n<100M |
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--- |
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# RedPajama & The Pile -- StackExchange (refined by Data-Juicer) |
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A refined version of StackExchange dataset in RedPajama & The Pile by [Data-Juicer](https://github.com/alibaba/data-juicer). Removing some "bad" samples from the original merged dataset to make it higher-quality. |
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This dataset is usually used to pretrain a Large Language Model. |
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**Notice**: Here is a small subset for previewing. The whole dataset is available [here](https://dail-wlcb.oss-cn-wulanchabu.aliyuncs.com/LLM_data/our_refined_datasets/pretraining/redpajama-pile-stackexchange-refine-result.jsonl) (About 71GB). |
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## Dataset Information |
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- Number of samples: 26,309,203 (Keep ~57.89% from the original dataset) |
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## Refining Recipe |
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```yaml |
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# global parameters |
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project_name: 'Data-Juicer-stack-exchange' |
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dataset_path: '/path/to/your/dataset' # path to your dataset directory or file |
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export_path: '/path/to/your/dataset.jsonl' |
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np: 50 # number of subprocess to process your dataset |
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open_tracer: true |
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# process schedule |
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# a list of several process operators with their arguments |
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process: |
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- clean_email_mapper: |
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- clean_links_mapper: |
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- fix_unicode_mapper: |
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- punctuation_normalization_mapper: |
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- whitespace_normalization_mapper: |
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- alphanumeric_filter: |
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tokenization: false |
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min_ratio: 0.35 # <3sigma |
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max_ratio: 0.943 # 3sigma |
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- average_line_length_filter: # for code |
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min_len: 20 # >3sigma |
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max_len: 400 # >3sigma |
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- character_repetition_filter: |
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rep_len: 10 |
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max_ratio: 0.4 # >3sigma (0.12) |
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- flagged_words_filter: |
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lang: en |
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tokenization: true |
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max_ratio: 0.01 # >3sigma |
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- language_id_score_filter: # remove language filter |
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min_score: 0.1 # <3sigma |
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- maximum_line_length_filter: # for code |
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min_len: 80 |
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- perplexity_filter: |
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lang: en |
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max_ppl: 10000 # >3sigma |
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- special_characters_filter: |
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min_ratio: 0.232 # 3sigma |
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max_ratio: 0.7 # >3sigma |
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- text_length_filter: |
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min_len: 200 |
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- words_num_filter: |
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lang: en |
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tokenization: true |
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min_num: 100 |
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- word_repetition_filter: |
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lang: en |
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tokenization: true |
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rep_len: 10 |
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max_ratio: 0.8 # >3sigma |
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- document_simhash_deduplicator: #26309203 left |
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tokenization: space |
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window_size: 3 |
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lowercase: true |
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ignore_pattern: '\n\n' |
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num_blocks: 9 |
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hamming_distance: 7 |
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``` |
