Table 2 HGAM models variables’ statistics

From: Seasonality of primary production explains the richness of pioneering benthic communities

 

HGAM all non-collinear

HGAM NSI and Total NPP

Smooth terms

edf

chi-square

p value

edf

chi-square

p value

NSI

4.052

73.110

<2e−16

2.771

122.151

<2e−16

Total NPP

1.000

4.383

0.036324

1.001

4.753

0.029337

Months

5.117

21.194

0.000947

–

–

–

Depth

1.000

4.855

0.027565

–

–

–

SSS range

1.718

6.582

0.037561

–

–

–

Site (random effect)

24.714

105.486

<2e−16

34.816

245.086

<2e−16

  1. Output of the summary.gam function of the R package mgcv78. Estimated degrees of freedom (edf), the chi-square test and p values (two-sided chi-square test) refer to each smooth term in the fitted HGAM models. The ‘site’ variable represents the grouping factor used as random effect.
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