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censusapi 0.9.0

Breaking changes

• Increases required version of R from >=3.0 to >=3.5 (released in 2018) based on httr dependency.

New features

API keys

• getCensus() no longer requires key, the use of a Census Bureau API key. Users are still encouraged to register for and use an API key because the Census Bureau may rate limit IP addresses, but it is not required. (#87)
• New get_api_key() helper function retrieves the value of a user’s stored Census Bureau API key from a saved environment variable or provides a warning message if none is found.
• New has_api_key() helper function detects if there is a stored Census Bureau API key in the Renviron, intended mainly for internal use.

Variable typing

• getCensus() uses improved logic to automatically convert columns that contain all numbers to numeric, unless the column name is in a specific list of geography names or other string type columns. Use convert_variables = FALSE to leave all columns as characters.

Metadata

• listCensusApis() now has optional name and vintage parameters to get metadata for a subset of datasets or a single dataset. (#103)

# Get metadata for all 2020 Decennial Census datasets
apis_decennial_2020 <- listCensusApis(name = "dec", vintage = 2020)

# Get metadata for all timeseries datasets
apis_timeseries <- listCensusApis(name = "timeseries")

Documentation

• Function documentation is improved and better formatted.
• Examples are updated to use newly released datasets.
• A new online frequently asked questions article improves documentation.
• A new vignette included in the package build directs users to the website to read web-only articles.

censusapi 0.8.0

• listCensusApis() has new columns in the resulting data frame of available API endpoints: the API contact email address and type: either Aggregate, Timeseries, or Microdata.

• listCensusMetadata() has new functionality to use value metadata. This is particularly useful for some of the economic datasets and the microdata APIs. Use type = "variables" and include_values = TRUE to create a dictionary with all value labels for a given dataset. To get value labels for a single variable in a given dataset, use type = "values" and variable = "VARIABLE OF INTEREST".

  Note: This metadata, while incredibly useful, only exists for some datasets. For other datasets you’ll still need to reference external files until the Census Bureau adds this functionality.

  For example, get the value labels for the NAICS2017 in the County Business Patterns dataset:

  cbp_naics_values <- listCensusMetadata(
      name = "cbp",
      vintage = 2020,
      type = "values",
      variable = "NAICS2017")

  Or make a full dictionary for the Current Population Survey Voting Patterns microdata API:

  cbp_dict <- listCensusMetadata(
      name = "cbp",
      vintage = 2020,
      type = "variables",
      include_values = TRUE)

• getCensus() has a new option convert_variables re discussion in (#68) and (#80). The default is TRUE — as in previous versions, this converts columns of numbers to R’s numeric data type. Setting convert variables = FALSE leaves all columns in the original character data type returned by the Census Bureau.

• getCensus() has improved data binding for responses from requests where more than 50 variables are manually specified. Occasionally these large requests were not returned from the Census Bureau in the same order, leading to mismatched rows. This fixes (#82).

• listCensusMetadata() now properly handles metadata attribute names in the new Microdata APIs that contain invalid JSON. This fixes (#84).

• Documentation and examples are updated. There is a new vignette: Accessing microdata.

censusapi 0.7.3

• Properly types certain variables in international trade timeseries APIs.

censusapi 0.7.2

• Adds named parameter for YEAR to getCensus() per changes to some timeseries endpoints that previously used TIME as a parameter.
• Updates examples using SAHIE and SAIPE APIs per Census Bureau changes to these endpoints.

censusapi 0.7.1

• Removes listCensusMetadata() and masterlist examples that used Business Dynamic Statistics endpoints, which were recently deprecated.

censusapi 0.7.0

• Adds show_call option to getCensus(), which shows the underlying API call (otherwise only shown on errors) and link to package documentation when used.
• Converts improperly formatted string “N/A” and “NULL” values from underlying Census data to true NA values.
• Improves parsing of columns as numeric or character, specifically:
  • Keeps 2017 NAICS variables as characters, instead of erroneously converting to numeric.
  • Parses endpoint numeric variables with all-character variable names as numeric for several popular endpoints: SAHIE, SAIPE, ZBP, CBP, PEP and Decennial Response Rates.
• Removes examples from deprecated 1990 and 2000 Decennial endpoints.

censusapi 0.6.1

• Updates web link to FIPS codes reference after Census website reorganization.
• Adds examples for Decennial Census response rates, updates several examples to retrieve newer data.
• Removes example masterlist from package itself due to size, online only.

censusapi 0.6.0

• Allows the use of miscellaneous paramaters in getCensus(). This allows users to specify any valid API argument name and pass it a value, giving full access to all of the underlying Census Bureau APIs.
• Adds a group parameter in listCensusMetadata(). This allows users to get variable metadata for a specified variable group.
• Improves internal logic in listCensusMetadata().
• Add documentation and examples using miscellaneous paramaters.
• Returns underlying API call in error messages, particularly useful for users needing from the Census Bureau.
• Specifies tract in block group example due to underlying API changes.
• Adds Contributor Code of Conduct.

censusapi 0.5.0

• Makes region an optional argument in getCensus, rather than required.
• Pads fips codes stored in fips dataset with zeroes.

censusapi 0.4.1

• Adds groups type option to listCensusMetadata.
• Fixes bug in listCensusMetadata variables call caused by an underlying Census API change, which renamed validValues to values for some endpoints.
• Converts variable metadata columns from factors to characters.
• Applies numeric conversion exclusions to all API endpoints.
• Improves language surrounding error messages that the Census Bureau returns.
• Updates 2010 Decennial Census examples to use new 2010 dec/sf1 endpoint, which will replace 2010 sf1 endpoint on August 30, 2018.

censusapi 0.4.0

• Adds support for NAICS code arguments used in Business Patterns APIs, Economic Census APIs, and Annual Survey of Manufactures APIs.

censusapi 0.3.0

• Does not convert ACS annotation flag variables into numeric columns.
• Puts lowercase variable name columns first (geographies), rather than all non-numeric columns.
• Changes all punctuation in returned column names into underscores, removing repeated underscores and trailing punctuation.
• Uses consistent spacing in examples.
• Updates examples using ACS data to latest year using new acs/acs5 endpoint and adds variable group examples.

censusapi 0.2.1

• Fixes bug in listCensusMetadata variables call caused by underlying Census API changes.

censusapi 0.2.0

• Updated examples, documentation, vignette.

censusapi 0.1.2

• Fixes bug that caused single-row responses to throw an error

censusapi 0.1.1

• Uses https rather than http for requests. The Census Bureau announced that their APIs will be https-only beginning on August 28, 2017.
• Removes XML dependency by parsing .json instead of .html metadata.
  • Note: this change has generally increased the run time for retrieving variable metadata with listCensusMetadata. For most APIs, this function will run in under one second. A lag may be noticeable for the American Community Survey APIs, which each have more than 40,000 variables. Improvements are planned in future releases.
• listCensusMetadata allows full word or single letter argument in type parameter

censusapi 0.1.0

• Scrapes http://api.census.gov/data.json rather than .html in listCensusApis, in starts of removing XML dependency. The .json data also includes several fields not present in the .html file, the most useful of which are added to the returned data frame.
• Changes dataset used in listCensusMetadata examples, mainly for build/checks speed.
• Set getCensus(key) argument’s default value to be CENSUS_KEY in .Renviron. Explicitly encourages Census key to be added to .Renviron. (Users can always override this with any given input.)
• Parses HTML response code. This is particularly important for the response that the Census APIs provided for invalid keys.
• Removes fips code 72 (Puerto Rico) from included fips dataset because Puerto Rico is not included in most Census API datasets.
• Changes census key references in examples to Sys.getenv(“CENSUS_KEY”).

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.