Table 1:
Statistics of Quadratic Fit to (Average) $l1$-Norm of Error as a Function of Stimulus Filter ($k$) and Postspike Filter ($h$) Heterogeneity.
HeterogeneityNetwork Size234567
$k$ $R2$ 0.0293 0.0140 0.0347 0.0534 0.0725 0.0974
$p$-value for $F$-statistic versus Constant $3.9×10-42$ $1.8×10-20$ $7.1×10-50$ $4.9×10-77$ $2.2×10-105$ $3.9×10-143$
$h$ $R2$ 0.0103 0.01794 0.0606 0.0382 0.0530 0.0888
$p$-value for $F$-statistic versus Constant $3.6×10-15$ $6.7×10-26$ $1.4×10-87$ $6.7×10-55$ $2.3×10-76$ $5.2×10-130$
HeterogeneityNetwork Size234567
$k$ $R2$ 0.0293 0.0140 0.0347 0.0534 0.0725 0.0974
$p$-value for $F$-statistic versus Constant $3.9×10-42$ $1.8×10-20$ $7.1×10-50$ $4.9×10-77$ $2.2×10-105$ $3.9×10-143$
$h$ $R2$ 0.0103 0.01794 0.0606 0.0382 0.0530 0.0888
$p$-value for $F$-statistic versus Constant $3.6×10-15$ $6.7×10-26$ $1.4×10-87$ $6.7×10-55$ $2.3×10-76$ $5.2×10-130$

Note: The number in bold corresponds to quadratic fits where the optimal level of heterogeneity is not in the interior.

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