Fred
This is a Ruby wrapper for the St. Louis Federal Reserve Economic Data Fred API.
Installation
As a gem:
gem install fred -v 0.3.0
Get a FRED API key
Sign up for a Fred API key: http://api.stlouisfed.org/api_key.html
Usage
Instantiate a client
>> fred = Fred::Client.new(:api_key => 'your_api_key')
or configure once
>> Fred.configure do |config|
>> config.api_key = 'your_api_key'
>> end
>> fred = Fred::Client.new
Examples
>> fred.category(nil, :category_id => '125')
=> <#Hashie::Mash categories=<#Hashie::Mash category=<#Hashie::Mash id="125" name="Trade Balance" parent_id="13">>>
>> fred.series(nil, :series_id => 'GNPA')
=> #<Hashie::Mash seriess=#<Hashie::Mash realtime_end="2013-08-26" realtime_start="2013-08-26" series=#<Hashie::Mash frequency="Annual" frequency_short="A" id="GNPA" last_updated="2013-07-31 09:26:17-05" notes="BEA Account Code: A001RC1" observation_end="2012-01-01" observation_start="1929-01-01" popularity="46" realtime_end="2013-08-26" realtime_start="2013-08-26" seasonal_adjustment="Not Seasonally Adjusted" seasonal_adjustment_short="NSA" title="Gross National Product" units="Billions of Dollars" units_short="Bil. of $">>>
>> fred.series('observations', :series_id => 'GNPA')
=> #<Hashie::Mash observations=#<Hashie::Mash count="84" file_type="xml" limit="100000" observation=[#<Hashie::Mash date="1929-01-01" realtime_end="2013-08-26" realtime_start="2013-08-26" value="105.3">,
.....
#<Hashie::Mash date="2012-01-01" realtime_end="2013-08-26" realtime_start="2013-08-26" value="16497.4">] observation_end="9999-12-31" observation_start="1776-07-04" offset="0" order_by="observation_date" output_type="1" realtime_end="2013-08-26" realtime_start="2013-08-26" sort_order="asc" units="lin">>
Copyright
Contact me if you have any suggestions and feel free to fork it!
Copyright (c) 2009 Johnny Khai Nguyen, released under the MIT license