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429 days ago - #rstats - Twitter Search
#rstats #stats: does anyone know how to test for a change in the strength of X-Y correlation (NOT just variance in Y) with a covariate Z?
435 days ago - National Bureau of Economic Research Working Papers
Beginning in May 2009 we fielded a monthly Internet survey designed to measure total household spending as the aggregate of about 40 spending components. This paper reports o...
435 days ago - National Bureau of Economic Research Working Papers
We provide three sets of variance decompositions on microeconomic international relative price data. The first shows that the overall distribution of absolute deviations from ...
436 days ago - Portfolio Probe
Factor models are heavily used in finance to create variance matrices. Here’s why. Factor models: Provide non-degenerate estimates Save space Quantify sources of risk ...