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The “how” behind the numbers, facts and trends shaping your world.
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Find our latest Decoded posts on our website at www.pewresearch.org/decoded.
Pew Research Center
Dec 7, 2022
Creating a custom graphics package in R using ggplot2
Creating a custom graphics package in R using ggplot2
Building informative and digestible data visualizations is a foundational aspect of Pew Research Center’s work.
Athena Chapekis
Oct 4, 2022
Evaluating changes in how we ask Americans for their Twitter profiles
Evaluating changes in how we ask Americans for their Twitter profiles
As with any survey question, the wording of an “ask” can affect how it is perceived and understood by the respondents taking the survey.
Athena Chapekis
Aug 31, 2022
How we created a representative sample of adult Twitter users in the U.S.
How we created a representative sample of adult Twitter users in the U.S.
Having a sample of adult Twitter users allows researchers to filter out bots, minors, institutional accounts and international users.
Emma Remy
Aug 31, 2022
How Pew Research Center uses git and GitHub for version control
How Pew Research Center uses git and GitHub for version control
Our data science work typically involves multiple researchers working collaboratively on code.
Emma Remy
Aug 1, 2022
Analyzing text for distinctive terms using pointwise mutual information
Analyzing text for distinctive terms using pointwise mutual information
PMI is a quick and easy way to identify words that distinguish one group of documents from another.
Sam Bestvater
Jul 13, 2022
How we designed a scale to measure Americans’ knowledge of international affairs
How we designed a scale to measure Americans’ knowledge of international affairs
Pew Research Center recently sought to measure what U.S. adults know about geography, foreign leaders, institutions and other issues.
Laura Clancy
May 25, 2022
How we translate survey questions to be fielded around the world
How we translate survey questions to be fielded around the world
A look at current best practices in survey questionnaire translation and how Pew Research Center applies these approaches.
Ariana Salazar
Apr 22, 2022
Professional translators or Google Translate? Weighing the pros and cons of each
Professional translators or Google Translate? Weighing the pros and cons of each
Pew Research Center recently sought to translate more than 11,000 open-ended survey responses into English.
Patrick van Kessel
Dec 17, 2021
How we built our data science infrastructure at Pew Research Center
How we built our data science infrastructure at Pew Research Center
After venturing into the world of computational social science in 2015, the Center needed to develop new tools and workflows.
Brian Broderick
Dec 9, 2021
Behind Pew Research Center’s 2021 political typology
Behind Pew Research Center’s 2021 political typology
The typology study examines U.S. politics through the prism of people’s values and attitudes, not just their party labels.
Brad Jones
Nov 9, 2021
Why Pew Research Center will display margins of error in some graphics
Why Pew Research Center will display margins of error in some graphics
Showing margins of errors in graphics can help prevent readers from thinking that survey estimates are more precise than they really are.
Courtney Kennedy
Oct 25, 2021
Examining item nonresponse rates for open-ended survey questions
Examining item nonresponse rates for open-ended survey questions
Nonresponse rates for open-ended survey questions on Pew Research Center’s American Trends Panel can range from 3% to just over 50%.
Dorene Asare-Marfo
Oct 14, 2021
About Pew Research Center: Decoded
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