NLP Analytics

Sentiment, topics, entities, keywords, summarization, clustering, and reliability — 29 methods.

6 min readOpen in app

29 text-analysis methods organized into eight groups. Run them on any text column or uploaded corpus, with leak-safe AI interpretation.

  • Sentiment & emotion: rule-based (VADER) and transformer-based (multilingual)
  • Topics: LDA, NMF, BERTopic with an interactive topic explorer
  • Entities & keywords: NER (spaCy + custom), keyword/keyphrase extraction
  • Embeddings & clustering: sentence-transformers, UMAP, document clustering
  • Summarization and text classification (zero-shot and fine-tuned)
  • Text statistics and inter-coder reliability metrics