NLP Collective

Frequently asked questions relating to NLP. Many of these may be questions that are often asked over and over, duplicates would likely be closed in favor of these. Add the best answer (using the ...

Berthold♦

answered Aug 2, 2023 at 17:43

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IndexError: index -1 is out of bounds for dimension 0 with size 0

I am currently experimenting with modifying the KV cache of the LLaVA model in order to perform controlled interventions during generation (similar to cache-steering methods in recent research). The ...

Vy Do

53.4k

modified Nov 7 at 8:32

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32 views

Inconsistent name normalization when extracting data using OpenAI API (gpt-4.0-mini)

I'm using the OpenAI API (gpt-4.0-mini) to extract and normalize names from social media posts. However, even with strict prompting, the output sometimes contains slightly different spellings for the ...

Mohaned Shaheen

asked Nov 6 at 19:12

1 vote

0 answers

119 views

Transformers 'could not import module pipeline' to jupyter notebook

I need to to run a series of pre-trained fine-tuned models from Hugging Face to Jupyter notebook. I have updated to the latest version of both PyTorch and Transformers, but when I run the code from ...

Abdullah Butt

modified Nov 4 at 9:25

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0 answers

82 views

Transformers with Python 3.12.3 produce lots of errors

I got Python 3.12.3 on an Ubuntu server. I tried to install transformers, tokenizers, datasets and accelerate to use the Seq2SeqTrainer in the transformers. I used a virtual environment for the ...

Raptor

54.4k

asked Oct 28 at 4:35

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0 answers

85 views

Torch example transformer with TransformerDecoder

In the torch example provided here https://github.com/pytorch/examples/tree/main/word_language_model, tansformer only uses torch.TransformerEncoder and torch.TransformerDecoder is overwritten with a ...

cuneyttyler

1,395

modified Oct 21 at 10:13

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1 answer

2k views

Removing strange/special characters from outputs llama 3.1 model

Background: I'm using Hugging Face's transformers package and Llama 3.1 8B (Instruct). Problem: I am generating responses to a prompt one word at a time in the following way (note that I choose over ...

alvas

123k

modified Sep 26, 2024 at 22:12

Answer Accepted

TL;DR Use this instead of rolling out your own detokenizer. tokenizer.batch_decode(input_ids) In Long The official Llama 3.1 has some approval process that might take some time, so this answer will ...

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alvas

123k

answered Sep 26, 2024 at 21:45

1 vote

1 answer

763 views

Error while converting google flan T5 model to onnx

I am looking to convert flan-T5 model downloaded from Hugging face into onnx format and make inference with the same. My input data is the symptoms of disease and expected output is the Disease name ...

alvas

123k

answered May 15, 2024 at 15:44

Answer

Use https://huggingface.co/datasets/bakks/flan-t5-onnx instead. And to convert the google/flan-t5, see https://huggingface.co/datasets/bakks/flan-t5-onnx/blob/main/exportt5.py from pathlib import ...

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alvas

123k

answered May 15, 2024 at 15:44

1 vote

2 answers

467 views

Why did my fine-tuning T5-Base Model for a sequence-to-sequence task has short incomplete generation?

I am trying to fine-tune a t5-base model for creating appropriate question against a compliance item. Compliance iteams are paragraph of texts and my question are in the past format of them. I have ...

KLaz

answered May 6 at 10:01

Answer

Because of: labels = tokenizer(targets, max_length=32, padding="max_length", truncation=True) Most probably your model has learnt to just output/generate outputs that are ~32 tokens. Try: ...

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alvas

123k

answered May 8, 2024 at 17:16

3 votes

1 answer

467 views

How to save the LLM2Vec model as a HuggingFace PreTrainedModel object?

Typically, we should be able to save a merged base + PEFT model, like this: import torch from transformers import AutoTokenizer, AutoModel, AutoConfig from peft import PeftModel # Loading base MNTP ...

alvas

123k

answered Apr 12, 2024 at 18:33

Answer

Wrapping the LLM2Vec object around like in https://stackoverflow.com/a/74109727/610569 We can try this: import torch.nn as nn from transformers import PreTrainedModel, PretrainedConfig from ...

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alvas

123k

answered Apr 12, 2024 at 18:33

3 votes

1 answer

1k views

Mistral model generates the same embeddings for different input texts

I am using pre-trained LLM to generate a representative embedding for an input text. But it is wired that the output embeddings are all the same regardless of different input texts. The codes: from ...

alvas

123k

answered Apr 11, 2024 at 12:13

Answer Accepted

You're not slicing it the dimensions right at outputs.last_hidden_state[0, 0, :].numpy() Q: What is the 0th token in all inputs? A: Beginning of sentence token (BOS) Q: So that's the "embeddings&...

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alvas

123k

answered Apr 11, 2024 at 12:13

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471 votes

18 answers

105k views

How does the Google "Did you mean?" Algorithm work? [closed]

I've been developing an internal website for a portfolio management tool. There is a lot of text data, company names etc. I've been really impressed with some search engines ability to very quickly ...

CommunityBot

modified May 10, 2018 at 20:23

179 votes

34 answers

487k views

spaCy: Can't find model 'en_core_web_sm' on windows 10 and Python 3.5.3 :: Anaconda custom (64-bit)

What is the difference between spacy.load('en_core_web_sm') and spacy.load('en')? This link explains different model sizes. But I am still not clear how spacy.load('en_core_web_sm') and spacy.load('en'...

desertnaut

60.8k

modified Mar 15 at 14:57

355 votes

6 answers

220k views

What is "entropy and information gain"? [closed]

I am reading this book (NLTK) and it is confusing. Entropy is defined as: Entropy is the sum of the probability of each label times the log probability of that same label How can I apply entropy ...

Waseem Ahmad Naeem

modified Aug 1, 2018 at 17:26

289 votes

14 answers

319k views

How to compute the similarity between two text documents?

I want to take two documents and determine how similar they are. Any programming language if fine but I prefer Python.

Franck Dernoncourt

84.7k

modified Mar 14 at 0:25

225 votes

18 answers

235k views

googletrans stopped working with error 'NoneType' object has no attribute 'group'

I was trying googletrans and it was working quite well. Since this morning I started getting below error. I went through multiple posts from stackoverflow and other sites and found probably my ip is ...

Amir Charkhi

modified Mar 23, 2023 at 7:49

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