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Why polls seem to struggle to get it right – on elections and everything else

Is Trump up or down? Will the public vote yes or no? Who will win the election? A mathematician’s guide to understanding polls in the media.


7 ways IRE recognised DDJ in 2016

We roundup the judges comments for this year’s winners of the IRE Awards.


Getting the full story: How machine learning and data journalism can support democracy

I became a data journalist because I did not want to rely on search engines for information.


Crowdmapping as a new data source for journalists

Crowdsourced data, especially for mapping, is a boon for data driven journalism. But, as Ana Brandusescu and Renee Sieber explain, its not without limitations.


New courses combine art with data (and no, they’re not teaching visualization)

DataArts is offering a series of free, online courses to bring a data driven mindset to the arts and cultural sectors.


A non-technical introduction to machine learning

Machine learning offers a number of opportunities and challenges for journalism. Noah Yonack provides a rundown of the basic concepts.


Big data: Missing the situatedness of corporate environmental data

Considerations for journalists using data to report on the environmental impact of corporations.


Land a grant worth up to $75,000

Journalists are invited to submit proposals that use open data to reveal new perspectives on land and property rights issues.


Who uses development data, how and what for?

If you use data to report on development issues, Development Initiatives wants to hear from you.


Why standardization matters: An example of hate groups in the US

Total state-by-state tallies of hate groups can be misleading. Paul Ricci explains why standardization is important to make these data comparable.


5 Strategies for using big data in small organisations

Eva Constantaras shares her experiences from setting up data teams in developing countries.


Immerse your journalism with $35,000

Knight Foundation, Google News Lab and ONA are offering grants to support immersive storytelling projects.


From vagueness to clarity: Articulating legal criteria of digital content regulation in China

Chinese regulations can be difficult to navigate. Dong Han provides a rundown for journalists.


Designing visual interfaces for listening: 45 considerations

When we design audio interfaces, we can optimize the listening experience by carefully considering use and stress cases.


Science has launched new a fund to support data driven science reporting

Thanks to a generous donor, Science’s news team can support ambitious projects in investigative reporting and data journalism.


New data journalism resources released for Russia and Central Asia

UNDP’s Istanbul Regional Hub has published a Data Journalism Manual on its Open Data in Europe and Central Asia platform in English and Russian.


Better statistics, better decisions: Increasing the visibility of official statistical data

“It’s difficult to imagine the power you’re going to have when so many different sorts of data are available.”


What is the true population value? Hypothesis testing and margins of error are here to help

Without the luxury of census data, Paul Ricci shows how journalists can make an estimate about public support for an issue.


Baby steps: A slow start but data journalism in India is gathering pace

Sanjit Oberai talks to leading Indian data enthusiasts about their efforts to found various start-up data journalism initiatives.


Give a dollar, get a data story

The Data Stories podcast is trying to go adfree, but they need your help!


What makes a winning data story?

By studying past DJA winners, researchers have identified combinations of tools and techniques which enable excellence in data journalism.


The gift of data, and what it means for journalists

Google executives contend that big social data is “a gift” from companies. So how does this impact the way journalists work with social data?


Get applying for the 2017 Data Journalism Awards

The DJA are the first international awards recognising outstanding work in the field of data journalism.


5 Important lessons we can learn from Hans Rosling

Hans Rosling taught us more than just the facts the data presented.


3 Ways to learn DDJ without leaving your desk

Not everyone has time to study at J-school or attend in-person workshops. So what other options are out there?


The state of open corporate data: Wins and challenges ahead

Last year, the UK became the first country in the world to collect and publish structured company data. But how did the rest of the world fare?


Learn how to deep dive data with ProPublica’s News Application team

ProPublica has just opened applications for its 2017 Data Institute, a free 11-day workshop on how to use data, design and programming for journalism.


What are the odds?  How odds ratios can help journalists understand relationships between events

How did a Clinton win affect the likelihood of a Trump win on the republican side? Paul Ricci shows how journalists can answer this and other questions.


From zero to hero: How data journalism helped establish the ICIJ as a top investigative newsroom

Now famed for its Panama Papers and Swiss Leaks investigations, the ICIJ’s newsroom wasn’t always data-savvy. Mar Cabra explains.


The explored and unexplored potential of big data and new technologies for data driven journalism

In spite of risks to privacy and data protection, new technologies and big data hold unique potential for journalistic research and advocacy.


impactAFRICA announces 12 new data journalism grant winners

Thirteen investigative data journalism projects will jointly receive $100,000 to tackle African development challenges.


Communicating large amounts: A new strategy is needed

To communicate large amounts, journalists often refer to football fields or Olympic swimming pools. But is this really the most effective strategy?


Data science and climate change: An audience visualization

Hannah Chapple, from Affinio, shows how the tool can be used to analyse online climate change conversations.


2016’s best precision journalism stories announced

Three stories that showcased exemplary use of social research methods have been recognised with the Philip Meyer Award.


Polling and big data in the age of Trump, Brexit, and the Colombian Referendum

Raymond Perkins and Michael Li look back at the history of polling to dispel assumptions about the reliability of polling with big data.


Don’t test me: Using Fisher’s exact test to unearth stories about statistical relationships

A test to help journalists determine if there is a relationship between variables such as gender, race, or the share of the votes in an election.


Counting 11 million undocumented immigrants is easier than you think

News organizations widely report that the USA is home to 11 million unauthorized immigrants. But where does this figure come from?


Death by clinical data: A model that accumulates medical knowledge for more comprehensive reporting

Jacob Barhak outlines his model that helps to overcome information overload in the investigation of clinical trial data.


A data visualization that doesn’t use data

Dietmar Offenhuber talks about the art of indexical visualization.


From Commutes to Megaregions, with open data and open source software

Using data from 4 million commutes, Alasdair Rae and Garrett Dash Nelson mapped a new view of economic geography in the United States.


Your ticket to a global perspective on data journalism

OpenNews is currently offering tickets and travel scholarships for journalists to attend international events.


Make data journalism your 2017 resolution

The Knight Center is offering a free online course to help newbies start extracting stories with data.


Dangerous data: The role of data collection in genocides

Zara Rahman reflects on data minimisation and the importance of responsible approaches to data.


Lies, damned lies and statistics: Why reporters must handle data with care

Most people do not read raw data sets or the methodology behind them – they primarily rely on how news media interpret statistical information.


Aspiring UK journalists are invited to apply for the 2017 Google News Lab Fellowship

Gain valuable data and digital storytelling experience at one of the UK’s top media organisations.


Counting the Pakistani Prime Minister’s speech writers: A stylistic analysis

Using stylistic patterns from the PM’s speeches, Ali Arsalan Kazmi unearths the number of authors behind his speeches.


Getting with The Times: Lessons from the paper’s Data Journalism Editor

Bahareh Heravi spoke to Megan Lucero, Data Journalism Editor at The Times and The Sunday Times, about what it means practice data driven journalism today.


Understanding development: Experts (try to) talk to Journalists

Making development programs meaningful for journalists isn’t always easy. We asked experts to explain what they do for journalists to use in their reporting.


What does @ddjournalism look like on Twitter?

Wasim Ahmed conducted a social media analysis of the @ddjjournalism Twitter account and its #ddj.


Helping J-Schools embrace Google tools

Google News Lab has just announced a university partnership to train the next generation of Journalists in its suite.


Portals of transparency advance in Latin America, but with reduced range

Do Latin American countries hamper or encourage civic engagement? Reinaldo Chaves examines the region’s open data dynamics.


The 2016 IRE Awards contest is now open for entries

Submit your data driven investigations to be considered for one of the most prestigious awards in journalism.


What is the current status of data journalism? Participate in our global survey to find out.

Are you creating stories with data? If not, what’s keeping you back? The 2017 Global Data Journalism survey hopes to new shed light on the profession.


New guidelines to improve scientific data visualisation

Visualisation can help make scientific data more accessible to expert and non-expert audiences - but only if done well.


Report like a girl: Call for gender-based stories

African data journalism fund launches contest for stories on gender equality and the challenges women face in accessing health care and services.


“But its already public, right?”: The ethics of using online data

Just because data is available to the public, doesn’t mean that public use is ethical. Emily Wolfinger explores.


What I learnt from creating The Data Visualisation Catalogue

Which chart should you use to represent your data? To answer this question, Severino Ribecca set about cataloging as many data visualisations as possible.


Keeping it weird: How to make use of your exhaust data

Paul X. McCarthy looks at use cases for data that are traditionally overlooked or, in some cases, even considered rubbish.


3 Ways data has made a splash in Africa

The winners of impactAFIRCA’s water and sanitation round have just being announced. We took a look at the selected stories.


Following the nonprofit money trail: How to investigate where your donation is going

Sarah Okeson shows how a few strange numbers in a tax return helped her reveal questionable expenses by the nonprofit Crime Stoppers.


Will data driven election reporting ever be the same?

Following the US Presidential Election’s shock outcome, Ole J. Forsberg examines the use and value of election statistics.


5 Ways information was beautiful this year

Winners of the 5th annual Kantar Information is Beautiful Awards have just been announced. We looked at five of the winning works.


The AP wants to use machine learning to automate turning print stories into broadcast ones

The experiment is part of a larger effort by the news agency to incorporate automation into its journalism.


Building the Ibrahim Index of African Governance

Yannick Vuylsteke details how the Mo Ibrahim Foundation measures of governance performance in Africa.


Macedonian translation of the Verification Handbook for Investigative Reporting now available

Journalists in Macedonia are invited to leverage the data verification lessons and techniques contained in the EJC’s free guide.


“Just because we can doesn’t mean we should”: When data viz is and isn’t appropriate

Be warned, visualisation is not always a good way to tell your data’s story.


5 things Microsoft can teach us about data viz

Microsoft has just unveiled its Data Journalism Program to help more journalists harness its Power BI tool.


#TrumpWon? Trend vs. reality

A deep dive into the underlying data behind Trump’s propagated debate win.


Digging up data on Russia’s media

Timofey Pletz talks to us about a data driven initiative that is helping to democratise the relationship between journalists and PR managers in Russia.


impactAFRICA announces 9 data journalism grant winners

Grantees will jointly receive $100,000 to report on African development challenges - from climate change, to the funeral industry, and more.


Colombia did not vote ‘no’ in its peace referendum – what the statistics reveal

A look through the ballot papers shows the declared result in Colombia’s crucial vote is far from definitive.


When data writes…who is the author?

Researchers, from the Ben-Gurion University of the Negev, shed new light on attribution regimes in organizations that produce automated journalism.


Counting conflict

What global indicators are available to monitor and report on conflict?


The NFL joins the data revolution in sports

A test run of placing tracking sensors in NFL footballs is opening up new possibilities for teams, players, sports reporters, and data journalists alike.


Go big with data to tackle food security and climate resilience

The World Bank has launched an innovation challenge to find big data solutions for these two key development issues.


Beyond code: What you learn turning from a journalist to a data journalist

After learning programming at Columbia Journalism School, Gianna-Carina Grün makes a case for starting a European Data Journalism School.


Forced displacement, poverty and financing: How much does our data tell us?

Understanding the levels of poverty in refugee-host countries is important, but currently collected data needs to be strengthened to tell an accurate story.


New funding announced for data driven projects that report on SDGs and Climate Change commitments

Datashift is offering $5,000 seed funding to explore how citizen-generated data can help monitor progress against the SDGs and climate change commitments.


“Excel sheets aren’t everyone’s friend”: How data visualization can assist research uptake

Done well, data visualisation can be an effective format by which to get your research seen, selected and understood by a large audience.


What is a “data state of mind”? And how you can develop it.

Becoming a data journalist is more than learning how to punch the buttons in your software of choice and understanding analysis concepts.


From print to digital: 5 steps of transformation

Gianna-Carina Grün distils lessons from German science journalism magazine meta’s print to digital transformation.


Monitoring the Surveillance Industry: Using data to protect privacy

The Surveillance Industry typically avoids public scrutiny. Matthew Rice explains how the Surveillance Industry Index is looking to change this.


Reporting on Indonesian peat fires: Which data can you trust?

With an Indonesian study disputing official UN data on peat fire emissions, new stories may emerge.


Data in multiple languages means data in multiple cultures

Catherine D’Ignazio discusses lessons from the development of’s spanish and portuguese versions.


Have you been struck by a beautiful data viz over the past year? Nominate it now.

There are only two weeks left to nominate entries for the Kantar Information is Beautiful Awards 2016.


New grants available for data driven development reporting

impactAFRICA is seeking digital storytelling pitches that go beyond ordinary reporting to expose new or under-reported issues in six African countries.


Modern slave trade: How to count a ‘hidden’ population of 46 million

Without accurate data on the modern slave trade, how can journalists report on this important issue?


Algorithms, accountability, and political emotion

Alison Powell reflects on the implications of sentiment analysis and its potential connection with emotion-driven politics.


The elusive case of police officer-involved homicides data

Significant data gaps have made it difficult to report on police-involved killings. But now public outcry has exposed the data’s alarming incompleteness.


A handy initiative for open data in Nepal

Nikesh Balami explains how Nepali journalists, policymakers and CSOs would benefit from an Open Data Handbook in Nepali.


Markets for Good Launches Good Data Grants for a Higher Impact Social Sector

US-based data journalists are encouraged to apply for a new grants program from the Stanford Center on Philanthropy and Civil Society.


Just how unpredictable is the Premier League? Scientists have done the maths

The new Premier League season has just begun and teams will be vying to lift the trophy. Could DDJ predict the winner?


2016 Online Journalism Awards finalists announced

The list is out! Take a look at the past year’s best in data journalism and visual digital storytelling.


65.3 million fled homes in 2015: Is the world not a safe place anymore?

A look at how “big numbers” can overwhelm displacement stories.


Do your statistics stigmatise?

Three lessons for data journalists reporting on poverty from the UK’s National Union of Journalists and Church Action on Poverty.


Olympic medal forecasting: it’s easier to predict results than you might think

As the Rio Olympics get underway, Jeff Borland shows how sports journalists can leverage data to forecast results.


Knight Foundation awards Data & Society $250,000 to promote societal impacts of data driven tech

Data & Society will use the Knight Foundation grant to promote data’s impact on individuals and larger social processes.


The 2016 Google News Lab Fellowship is now open for German, Austrian and Swiss data journalists

Google News Lab is encouraging the next generation of data journalists and developers to help shape the future of media through its 2016 fellowship program.


Verification Handbook for Investigative Reporting just released in Arabic

Now Arabic speaking journalists also have access to the data verification lessons and techniques contained in the EJC’s free guide.


Studying Africa by numbers can be misleading. What can be done about it?

Morten Jerven explains why the numerical basis used to report on African economies suffers from major knowledge gaps.