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Pagination

As explained in Effective Data Analysis

Pagination is the division of a large result set into sequential pages returned through separate requests.

Pagination divides a large API result set into sequential pages returned through separate requests. When one response cannot contain all requested records, retrieve each page and combine the results into one dataset. section 10.1.1

A practical pagination workflow includes:

  • Read the API documentation to identify result limits, request restrictions, authentication requirements, and costs. section 10.1.1 section 10.4
  • Use a for loop to make the required requests and append records from each page to a dataset. section 10.1.1
  • Respect rate limits by inserting pauses between requests when a loop could exceed the permitted call frequency. section 10.1.1
  • Process the returned JSON after collection so nested records can become tabular data for analysis. section 10.4

Collecting a complete API dataset

A script requests the first page, continues through the available pages, appends every page’s records, and pauses between calls when necessary. The combined records can then be processed into a pandas dataset. section 10.1.1 section 10.4

How Effective Data Analysis covers it

How deep it goes
Explains pagination operationally through repeated requests, looping, appending records, and rate-limit pauses.
Examples
Uses a for loop that retrieves and appends multiple API pages before processing the combined records.
What it assumes
Assumes familiarity with APIs and Python loops while emphasizing documentation, responsible requests, and JSON-to-table processing.
What you can do after
Apply pagination via Python requests by iterating through API pages, pacing calls, and assembling the returned records.
How it connects
Connects pagination with APIs, rate limiting, authentication, JSON processing, pandas, and web scraping.

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This explainer was generated by Manning's knowledge graph from the text of Effective Data Analysis. The section links point to the parts of the book it draws on.