Reference

Loading Text

Utilities for getting raw text into the workflow.

load_sample_text	Return a single (doc_id, text) pair from the bundled sample corpus.
list_sample_texts	Return a list of available document IDs from the bundled sample corpus.
load_text_file	Read a single .txt file and return a cleaned {doc_id, text} record.

Sentiment Analyzers

Dictionary and spaCy-based sentiment scoring interfaces.

DictionarySentimentAnalyzer	Sentence-level sentiment scoring built on dictionary lookups.
SpaCySentimentAnalyzer	Derive per-sentence sentiment values from a spaCy pipeline.
DictionarySentimentAnalyzer.sentence_scores	Return one sentiment score per sentence.
SpaCySentimentAnalyzer.text_scores	Split raw text into sentences and score each one.

Data Types

Result containers and data structures.

MixedMessageResult	Result from analyzing mixed sentiment signals.
TrajectoryComponents	Container holding raw and smoothed signals.

Trajectory Tools

Transform helpers for plotting narrative sentiment curves.

DCTTransform	Compute a low-pass discrete cosine transform.
rolling_mean	Compute a rolling (moving) average over a sequence of values.

Visualization

High-level helpers for preparing and plotting trajectories.

prepare_trajectory	Compute optional smoothing passes for a sentiment signal.
plot_trajectory	Render a sentiment trajectory with optional overlays.
trajectory_to_dataframe	Convert trajectory components to a tidy pandas DataFrame.