Frequency aggregation converts higher-frequency data series into lower-frequency data series (e.g., from monthly data to annual data). In FRED, the highest data frequency is daily and the lowest data is annual. There are three aggregation methods available: Average: This method … Continue reading
FRED publishes data from various sources. There are multiple ways to navigate to the originating source’s website. Option 1: Below a graph, go to the “NOTES” section. Next to “Source” (on the first line), click the source name (see the … Continue reading
FRED publishes data from various sources. We provide ways to navigate to the originating source’s website, and to navigate to data series on FRED belonging to the same release from the originating source. Below a graph, go to the “NOTES” … Continue reading
All dates are represented as daily dates for consistency and ease of use. FRED uses a single date format widely supported by various spreadsheet applications (Excel, Lotus, etc.) and statistical software packages (SAS, Eviews, Stata, RATS, etc.). Because annual, quarterly, and … Continue reading