Data-Journalism   382

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Khartis - cartographie thématique
application de création de cartes de l'atelier de cartographie de SciencesPo.
mapping  data-journalism  dataviz  tool 
10 days ago by davidbenque
We Used Broadband Data We Shouldn’t Have — Here’s What Went Wrong | FiveThirtyEight
Over the summer, FiveThirtyEight published two stories on broadband internet access in the U.S. that were based on a data set made public by academic researchers who had acquired data from Catalist, a well-known political data firm. After further reporting, we can no longer vouch for the academics’ data set. The preponderance of evidence we’ve collected has led us to conclude that it is fundamentally flawed. That’s because:

The academics’ data does not provide an accurate picture of broadband use at the county level relative to other sources.
Some of the data that the academic researchers received from Catalist originated with a third-party commercial source, and Catalist acknowledged that it did not vet that data itself. The researchers and Catalist also disagree about what Catalist said the data represents and what it could be used for.
retractions  methodology  dirty-data  data-journalism 
10 days ago by danwin
Death & Dysfunction | An Special Investigation
Hey listers,

We published an 18-month data investigation into our state medical examiner system I wanted to share:

We fought for months to acquire a database of all 420,000 cases referred to NJ medical examiners over a 20 year period. Analysis revealed a system that’s on the brink of collapse. Our reporting lead us to cases of missing body parts, potential child murders going without investigation, innocent people languishing in jail and major lapses/conflicts of interest in police involved shooting investigations.

We’ll be posting the data, as well as the replication analysis my colleague did to check my work on in the coming days. We’ll also post our code to github once I clean it up and make it readable for humans.

If you like it, please share and we would love any feedback.
data-journalism  nicar  investigations 
5 weeks ago by danwin
Under Trump, E.P.A. Has Slowed Actions Against Polluters, and Put Limits on Enforcement Officers - The New York Times
The Times built a database of civil cases filed at the E.P.A. during the Trump, Obama and Bush administrations. During the first nine months under Mr. Pruitt’s leadership, the E.P.A. started about 1,900 cases, about one-third fewer than the number under President Barack Obama’s first E.P.A. director and about one-quarter fewer than under President George W. Bush’s over the same time period.
data-journalism  investigations 
5 weeks ago by danwin
Official Toll in Puerto Rico: 62. Actual Deaths May Be 1,052. - The New York Times
. A review by The New York Times of daily mortality data from Puerto Rico’s vital statistics bureau indicates a significantly higher death toll after the hurricane than the government there has acknowledged.

The Times’s analysis found that in the 42 days after Hurricane Maria made landfall on Sept. 20 as a Category 4 storm, 1,052 more people than usual died across the island. The analysis compared the number of deaths for each day in 2017 with the average of the number of deaths for the same days in 2015 and 2016.

Officially, just 62 people died as a result of the storm that ravaged the island with nearly 150-mile-an-hour winds, cutting off power to 3.4 million Puerto Ricans. The last four fatalities were added to the death toll on Dec. 2.
best  data-journalism  padjo  compciv  death-data  investigations 
6 weeks ago by danwin
Police officers prosecuted for use of deadly force - Washington Post
In 80 percent of the cases, at least one of the following occurred: the victim was shot in the back, there was a video recording of the incident, other officers testified against the shooter or a coverup was alleged.
best  data-journalism  investigations  compciv  padjo  project-idea  policing 
6 weeks ago by danwin
How We Found Tom Price’s Private Jets - POLITICO Magazine
That meant we had to recreate Price’s schedule from scratch if we were to have any hope of matching his trips to chartered flights. We reviewed the HHS summaries of Price’s meetings. We scoured news sites for reports of Price speeches outside Washington. We obsessively tracked his appearances on social media. Putting all this information together, we built a database of Price’s trips.
data-journalism  investigations 
october 2017 by danwin
We Trained A Computer To Search For Hidden Spy Planes. This Is What It Found.
From planes tracking drug traffickers to those testing new spying technology, US airspace is buzzing with surveillance aircraft operated for law enforcement and the military.
compciv  machine-learning  data-journalism 
august 2017 by danwin

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