NLP - Topic Modeling
You run an LDA model but get an error:
AttributeError: 'dict' object has no attribute 'token2id'. What is the likely cause?You run an LDA model but get an error: AttributeError: 'dict' object has no attribute 'token2id'. What is the likely cause?
medium📝 Debug Q14 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the error message
The error says a 'dict' object lacks 'token2id', which is a property of gensim's Dictionary class, not a plain Python dict.Step 2: Identify cause in LDA parameters
Passing a plain dict as id2word instead of a gensim Dictionary causes this error because LDA expects a Dictionary object with token2id attribute.Final Answer:
Passing a Python dict instead of a gensim Dictionary object as id2word -> Option CQuick Check:
id2word must be gensim Dictionary, not plain dict [OK]
Quick Trick: id2word must be gensim Dictionary, not plain dict [OK]
Common Mistakes:
MISTAKES- Passing plain dict instead of gensim Dictionary
- Ignoring error details about missing attributes
- Confusing corpus issues with dictionary errors
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