8 votes

American Indian reservation boundaries

My guess is that the census tiger products are going to have what you're looking for. http://www2.census.gov/geo/pdfs/maps-data/data/tiger/tgrshp2016/TGRSHP2016_TechDoc_Ch2.pdf "The legal entities ...
7 votes
Accepted

Average Job Salary by Title/Location/Etc. (US or Intl)

I recommend Occupational Employment Statistics. Includes approximately 800 job categories/titles (Standard Occupational Classification). Reports estimated employment, average wages and 10th/25th/50th/...
  • 431
6 votes

USDA Plant Hardiness Zone Map (PHZM) data

Just released on Github!! Frostline A parser and resulting dataset for USDA plant hardiness zones. It uses the ZIP-querying API built into the U.S. Department of Agriculture’s Plant Hardiness Zone ...
  • 17.5k
6 votes

Graph of Landsat Downloads?

Apparently, here: Source: http://www.usgs.gov/blogs/features/files/2015/01/free-and-open-data-policy-graph-no-footnote.jpg Here is the original post, noting cost savings from Landsat. http://landsat....
  • 251
5 votes

Household income by ZIP+4

First, note that ZIP codes are not geographies (see this other answer). Also, as Kotebiya notes in a comment, there aren't pseudo-geographies for ZIP+4 and if there were, they would probably ...
  • 5,488
5 votes

Where to get usa coastline/shoreline data

There are actually a lot of sources for this, and some sources have multiple products. This chart on NOAA breaks it down These sites are pretty difficult to navigate, and I'm unsure of your ...
5 votes

How can I register a new API key for api.data.gov programatically?

On the USDA Food Composition Database page you posted, there's a form to create an account via their website. That form submits a HTTP POST message to the following link: https://api.data.gov/api-...
4 votes

What are the data quality measures for open data?

Tim Berners-Lee suggested the following 5 star approach: Under the star scheme, you get one (big!) star if the information has been made public at all, even if it is a photo of a scan of a fax of a ...
4 votes

Where can I find registered company data through web services

If it's not on opencorporates, I doubt you'll find it anywhere else. Have a chat to the people there if you're still looking.
  • 1,458
4 votes

Is there any state wise and quarterly downloadable US economic data apart from GDP?

Quandl has a dataset from the Bureau of Economic Analysis that might be helpful for you. It has many economic metrics at the state level. Quandl is a great resource for datasets like this.
4 votes

Invalid API Key - Accessing OSHA data

Looks like you got it right in your answer. The "data.dol.gov" URLs use the newer Department of Labor API (v2), which sends the Key in the http headers. See the data.dol.gov tab for more information ...
4 votes
Accepted

Medical Terminology in Patient Medical Records - Public Data Sets

The MIMIC-III dataset would be well suited to the kind of natural language processing (NLP) study that you are interested in doing. MIMIC-III includes deidentified nursing progress notes, imaging ...
  • 1,446
4 votes

Independent Census Data for 3rd World Countries

you are looking for ipums international. https://international.ipums.org/international/ easiest to analyze with http://www.asdfree.com/2015/11/laptop-friendly-analysis-of-census-of.html
4 votes
Accepted

Global Precipitation Measurement (GPM) data download in R

I created a function to download data IMERG HDF5 and convert them to raster GeoTIFF. You can see the code in https://github.com/AybarCL/GPM-data-management
4 votes

US House Sale Data

Historical graph of US new housing starts. It measures the building of new houses. Which isn't as telling as it used to be because in some cases, in some areas, it's cheaper to build a brand new house ...
  • 667
4 votes

Where do I find data of all companies in this world?

Open Corporates is the largest public database of corporations in the world; they have a slew of data/apis/etc. Open Corporates EDIT: I'm not 100% on how to use Open Corporates, but after a quick ...
  • 11.8k
4 votes

Is there a dataset for the Federal congressional voting record?

GovTrack has congressional voting records data. Including in bulk, JSON files https://www.govtrack.us/developers/data
  • 11.8k
4 votes
Accepted

Mapping PUMA Codes to TIGER/line shapefiles

There are 4 variables you are leaving out of the shapefile that was imported to R. STATEFP10 is the 2-digit FIPS code for the state. PUMACE10 is the 5-digit FIPS code for the 2010 PUMA within a state....
  • 2,959
4 votes
Accepted

How can I register a new API key for api.data.gov programatically?

We have set a rate limit of 1000 requests/hr per IP rather than key. Our documentation now reflects this change.
  • 56
4 votes
Accepted

Are the API keys on data.gov considered sensitive?

There are some API limits tied to a specific API key. If a third-party used your key, their calls would effect how many calls you can make.
  • 5,118
3 votes
Accepted

Are there good examples of open read-write APIs in Federal government?

The Regulations.gov API answer is a good example! It's also an example of government dogfooding its own APIs. As I am sure you are aware, the We the People petition site has a write API as well: ...
3 votes

Visitors to Data.gov by country of origin?

Thanks for filing the GitHub issue too Mitchell. For background on this: Visitor stats by country and top states were retired with the new data.gov theme launch about an year ago, earlier the ...
3 votes

How can I get a list of all non-geodata datasets on Data.gov?

This is an update to the answers above as of January 2015. I've got the following results when trying the above urls: Re Dmitry's answer: https://explore.data.gov/api/dcat.json?page=1 does not ...
  • 131
3 votes

Forbes.com writer looking for up-and-running examples of data driven applications that improve human services in government

Some colleagues and I started cataloging some different interesting ways government data is being used: https://github.com/18F/ideas/issues/2 I'm no expert on this, and this doesn't quite answer ...
3 votes

Water level historical data for California

If you're looking for hydrological data, the USGS has steam gauge data, which has a measure of the height of the water at various locations over time: http://water.usgs.gov/nsip/ For particulate ...
  • 4,495
3 votes
Accepted

California water district boundaries

Update: this data is now available on open data se's datahub.io account, here: http://datahub.io/dataset/california-water-district-boundaries For those times when data was posted, but has since ...
  • 4,495
3 votes

How do I download a Socrata graph or map definition I have created?

I see our support team responded to your support request you posted to support.socrata.com. The gist of the answer, for others' benefit, is that this is not currently supported but we are passing this ...
3 votes

Funding data for US Department of Education CSV format

If the data you need is from more recent years, USAspending.gov is a good place to start (you can choose a specific agency on the data download page: https://www.usaspending.gov/DownloadCenter/Pages/...
  • 76
3 votes

Medical Terminology in Patient Medical Records - Public Data Sets

Another good-size data set of natural language patient notes is available here: http://www.mtsamples.com/ It covers notes across multiple specialities and conditions. We can also provide an ...
3 votes
Accepted

How do I get just city-level data on data.gov?

Below is the link to city level datasets in data.gov http://catalog.data.gov/dataset?groups=local&organization_type=City+Government#topic=local_navigation You will see there is only 2600 ...

Only top scored, non community-wiki answers of a minimum length are eligible