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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: J Am Stat Assoc. 2014 Oct 2;110(509):27–44. doi: 10.1080/01621459.2014.964404

Table 4.

Features of the data that attenuate correlation: noise, noise structure, missing data and non-randomly missing data. See text for the complete description. Standard deviations are 0.01 or less, unless shown otherwise.

1. Noise 2. Structure 3a. Missing data 3b. Non-randomly missing data
ψ1,2 ψ̂1,2 ψ̂1,2 ψ̂1,2 ψ̂1,2

0.5 0.32 0.45 0.32 (± 0.07) 0.45 (± 0.02)
0.8 0.50 0.71 0.65 (± 0.02) 0.77 (± 0.03)
0.9 0.56 0.80 0.81 (± 0.03) 0.88 (± 0.02)