S&P Issues Statement, Publishes Research On Seasonally-Adjusted Home Price Index Data

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NEW YORK, April 20 /PRNewswire/ -- Standard & Poor's, the world's leading index provider and publisher of the closely followed S&P/ Case-Shiller(a) Home Price Indices, released a statement and published research today relating to the use of seasonally and non- seasonally adjusted home price index data:

"Economic data which are affected by the time of the year, or the seasons, are often adjusted to remove these effects to make it easier to identify underlying changes in the economy. Seasonal adjustment increases the unadjusted values in weak months and decreases the unadjusted values in strong months to eliminate regular, seasonal patterns while leaving the underlying trend unaffected.

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S&P Issues Statement, Publishes Research On Seasonally-Adjusted Home Price Index Data

For the S&P/Case-Shiller Home Price Indices, Standard & Poor's reports two data sets: (1) before seasonal adjustment and (2) seasonally-adjusted. In some recent reports, the two series have given conflicting sig...

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