If an asset class has unique risk, it will exhibit variability in a rolling 3-year correlation analysis similar to Figure 2.
This means that the data which shows a negative correlation between stock performance and GDP, has less data in it, and its negative correlation is only roughly 24%, while the analysis which shows a positive correlation between stock returns and GDP has a correlation of 66%.
Part of this analysis requires a correlation study to test if the asset class has unique risk.
Additionally, a 2007 meta-analysis found a correlation between increased coffee consumption and lower risk of liver cancer.
Upon deeper analysis, the correlation between starting-pitcher length and relief-pitcher reliability makes sense.
Analysis showed a significant correlation with odour components produced by immune system genes inherited from the women's fathers.
The analysis found a 98 percent correlation between the leaked data and the data held by Blue Toad.
An analysis comparing Wal-Mart Stores' (nyse: WMT - news - people ) same-store sales growth to consumer spending data dating back to January 2004, compiled by the Bureau of Economic Analysis, actually shows a negative correlation between the two.
Analysis of the London pilot showed no correlation between wealth and the take-up of choice, which suggests that choice is not something that can be enjoyed by the middle classes alone.
BBC: NEWS | UK | UK Politics | In full: George Osborne speech
Subsequent detailed analysis of the IALS data showed a strong correlation in the United States between parental education and the literacy levels of youth.
Whether the criminal "underclass" is an identifiable and stable group may be questionable, but BBC analysis of people charged in relation to the disorder in Manchester does suggest a clear correlation with deprivation.
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