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Table 2 True and observed values for single predictor model coefficients and correlations with outcome.

From: The behaviour of random forest permutation-based variable importance measures under predictor correlation

Predictor True
Bivariate Model β
Mean Observed
Bivariate model β
True
r(x i , y)
Mean
Observed r(x i , y)
x 1 11.30 11.31 0.82 0.82
x 2 11.30 11.31 0.82 0.82
x 3 11.00 11.02 0.80 0.80
x 4 10.80 10.81 0.78 0.79
x 5 -5.0 -5.02 -0.36 -0.36
x 6 -5.0 -5.02 -0.36 -0.36
x 7 -2.0 -2.002 -0.15 -0.15
x 8 0.0 0.002 0.0 -3.6E-04
x 9 0.0 0.005 0.0 -8.4E-04
x 10 0.0 -0.012 0.0 -8.7E-04
x 11 0.0 0.01 0.0 7.3E-04
x 12 0.0 0.004 0.0 2.9E-04
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