dhlab documentation

dhlab is a python library for doing qualitative and quantitative analyses of the digital texts from Nettbiblioteket (eng: “the online library”) at the National Library of Norway (NLN). Nettbiblioteket is the NLN’s digital collection of media publications.

Head to our official homepage for tutorials, how-to-guides, interactive web apps, and more information about the DH-lab group.

Installation

Ensure that you already have Python >=3.9 installed.

Install the latest version of the dhlab python package in your (Unix) terminal with pip:

pip install -U dhlab

Functionality

Here are some of the text mining and automatic analyses you can do with dhlab:

• Build a corpus from bibliographic metadata about publications.

• Retrieve word (token) frequencies from a corpus.

• Fetch chunks of text (paragraphs) as bag of words from a specific publication.

• Extract concordances

• Calculate collocations

• Retrieve n-gram frequencies per yer in a time period.

• Extract occurrences of named entities.

• Plot narrative graphs of word dispersions in a publication.

Try some of our examples to get started.