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Google Correlate

Posted by Marcus Zillman

Google Correlate
http://www.google.com/trends/correlate/

Google Correlate is an experimental new tool on Google Labs which enables you to find queries with a similar pattern to a target data series. The target can either be a real-world trend that you provide (e.g., a data set of event counts over time) or a query that you enter. Google Correlate uses web search activity data to find queries with a similar pattern to a target data series. The results can be viewed on the Google Correlate website or downloaded as a CSV file for further analysis. Google Correlate is like Google Trends in reverse. With Google Trends, you type in a query and get back a data series of activity (over time or in each US state). With Google Correlate, you enter a data series (the target) and get back a list of queries whose data series follows a similar pattern. Google Correlate contains web search activity data from January 2003 to present. This data is updated weekly. This has been added to the tools section of Research Resources Subject Tracer™ Information Blog.

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