When Online Content Disappears
A quarter of all webpages that existed at one point between 2013 and 2023 are no longer accessible.
Numbers, Facts and Trends Shaping Your World
Emma Remy
Former Data Science Analyst
Emma Remy is a former data science analyst at Pew Research Center.
Publications
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Reproducibility as part of code quality control
In this post, we discuss reproducibility as a part of Pew Research Center’s code review process.
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How we review code at Pew Research Center
As part of our quality control process, we review code with a series of interim reviews during a project and a formalized code check at the end.
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Evaluating changes in how we ask Americans for their Twitter profiles
In our March 2021 survey, we decided to take a fresh look at the consent language we used when asking Americans to give us their Twitter handles.
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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.
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How Pew Research Center uses git and GitHub for version control
Our data science work typically involves multiple researchers working collaboratively on code.
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Democrats on Twitter more liberal, less focused on compromise than those not on the platform
A 56% majority of Democrats and Democratic-leaning independents who use Twitter describe their political views as liberal or very liberal.
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National Politics on Twitter: Small Share of U.S. Adults Produce Majority of Tweets
The findings of this analysis paint a nuanced picture of just how prevalent political speech is among U.S. adults on Twitter.
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How public and private Twitter users in the U.S. compare — and why it might matter for your research
Overall, our survey found that 13% of U.S. adult Twitter users keep their feeds private.
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About one-in-five adult Twitter users in the U.S. follow Trump
Republican and Republican-leaning adult Twitter users are more likely than Democrats and Democratic-leaning independents to follow Trump.
