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Text Extensions for Pandas: Tips and Techniques for Extending Pandas, Part 1 Blog
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" <th></th>\n",
" <th>token_id</th>\n",
" <th>span</th>\n",
" <th>input_id</th>\n",
" <th>token_type_id</th>\n",
" <th>attention_mask</th>\n",
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"text/plain": [
" token_id span input_id token_type_id attention_mask \\\n",
"0 0 [0, 0): '' 101 0 1 \n",
"1 1 [0, 5): 'Monty' 18446 0 1 \n",
"2 2 [6, 12): 'Python' 18750 0 1 \n",
"3 3 [13, 16): 'and' 1998 0 1 \n",
"4 4 [17, 20): 'the' 1996 0 1 \n",
"5 5 [21, 25): 'Holy' 4151 0 1 \n",
"6 6 [26, 28): 'Gr' 24665 0 1 \n",
"7 7 [28, 31): 'ail' 12502 0 1 \n",
"8 8 [0, 0): '' 102 0 1 \n",
"\n",
" special_tokens_mask embedding \n",
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"2 False [ 0.44240445, 0.97607553, 0.002306254... \n",
"3 False [ -0.8111421, 0.61899036, -0.64434... \n",
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},
"execution_count": 2,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"import text_extensions_for_pandas as tp\n",
"from transformers import BertTokenizerFast, BertModel\n",
"\n",
"# Create a BERT model from the Huggingface transformers library.\n",
"model_name = \"bert-base-uncased\"\n",
"tokenizer = BertTokenizerFast.from_pretrained(model_name, add_special_tokens=True)\n",
"bert = BertModel.from_pretrained(model_name)\n",
"\n",
"# Sample text to generate example extension arrays.\n",
"text = \"Monty Python and the Holy Grail\"\n",
"\n",
"# Create Pandas DataFrame with tokens and embeddings from the model.\n",
"df = tp.io.bert.make_bert_tokens(text, tokenizer)\n",
"df = tp.io.bert.add_embeddings(df, bert)\n",
"df"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"token_id int64\n",
"span SpanDtype\n",
"input_id int64\n",
"token_type_id int64\n",
"attention_mask int64\n",
"special_tokens_mask bool\n",
"embedding TensorDtype\n",
"dtype: object"
]
},
"execution_count": 3,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# In the above DataFrame the columns \"span\" and \"embedding\" are extension dtypes.\n",
"df.dtypes"
]
}
],
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