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The “how” behind the numbers, facts and trends shaping your world.

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    We’ve moved!

    Find our latest Decoded posts on our website at www.pewresearch.org/decoded.
    Go to the profile of Pew Research Center
    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.
    Go to the profile of Athena Chapekis
    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.
    Go to the profile of Athena Chapekis
    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.
    Go to the profile of Emma Remy
    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.
    Go to the profile of Emma Remy
    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.
    Go to the profile of Sam Bestvater
    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.
    Go to the profile of Laura Clancy
    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.
    Go to the profile of Ariana Salazar
    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.
    Go to the profile of Patrick van Kessel
    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.
    Go to the profile of Brian Broderick
    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.
    Go to the profile of Brad Jones
    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.
    Go to the profile of Courtney Kennedy
    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%.
    Go to the profile of Dorene Asare-Marfo
    Dorene Asare-Marfo
    Oct 14, 2021
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