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Learning about locations with Google APIs

Learning about locations with Google APIs

Geocoding is the process of mapping an address or a location name to a point on Earth’s surface using latitude and longitude coordinates…
Go to the profile of Brian Broderick
Brian Broderick
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Sharing the code we used to study the public’s interest in the Flint water crisis

Sharing the code we used to study the public’s interest in the Flint water crisis

In 2017, Pew Research Center published an analysis of Google search trends related to the water crisis in Flint, Michigan. The analysis…
Go to the profile of Galen Stocking
Galen Stocking
Q&A: What works and what doesn’t when studying social media data

Q&A: What works and what doesn’t when studying social media data

Ever since Friendster and Myspace gained popularity in the early 2000s, social scientists have been interested in studying the impact of…
Go to the profile of Paul Hitlin
Paul Hitlin
Using supervised machine learning to quantify political rhetoric

Using supervised machine learning to quantify political rhetoric

Several posts on this blog have examined unsupervised methods of natural language processing. These algorithms and models can help…
Go to the profile of Adam G. Hughes
Adam G. Hughes
Validating 2016 voters in Pew Research Center’s survey data

Validating 2016 voters in Pew Research Center’s survey data

One of the most common challenges facing election surveys is the tendency for some respondents to say they voted when they did not. This…
Go to the profile of Scott Keeter
Scott Keeter
Making sense of topic models

Making sense of topic models

In my first post about topic models, I discussed what topic models are, how they work and what their output looks like. The example I used…
Go to the profile of Patrick van Kessel
Patrick van Kessel
An intro to topic models for text analysis

An intro to topic models for text analysis

If you’ve ever had to analyze a set of documents — such as social media posts, open-ended survey responses, focus group transcripts…
Go to the profile of Patrick van Kessel
Patrick van Kessel
Detecting subjectivity and tone with automated text analysis tools

Detecting subjectivity and tone with automated text analysis tools

There are a variety of tools that can help researchers analyze large volumes of written material. In this post, I’ll examine two of these…
Go to the profile of Onyi Lam
Onyi Lam
How to break regression

How to break regression

Regression models are a cornerstone of modern social science. They’re at the heart of efforts to estimate causal relationships between…
Go to the profile of Solomon Messing
Solomon Messing
How to analyze Pew Research Center survey data in R

How to analyze Pew Research Center survey data in R

Pew Research Center releases its survey data publicly as IBM SPSS files with the .sav extension. But if you don’t have access to SPSS…
Go to the profile of Nick Hatley
Nick Hatley
Using APIs to collect website data

Using APIs to collect website data

Many researchers are interested in obtaining new kinds of data directly from websites. But collecting large amounts of data from a website…
Go to the profile of Onyi Lam
Onyi Lam
Welcome to Decoded!

Welcome to Decoded!

Pew Research Center’s main website offers plenty in the way of polished reports, data visualizations and interactives. But there are also…
Go to the profile of Claudia Deane
Claudia Deane
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