Online Links:
Online Links:
| Range of values | |
|---|---|
| Minimum: | 2.22045e-016 |
| Maximum: | .705603 |
Cup coral
taxa~Depth+Class+Block+Class:I(Depth^2)
# Depth + Class + Block +Class:I(Depth^2) tryCatch(taxa36.glm <- glm(taxa~Depth+Class+Block+Class:I(Depth^2),
family=binomial(link="logit"), data=taxa.df),
warning = function(x) { output.df[36,"flag"] <<- 1 },
finally = taxa36.glm <-
glm(taxa~Depth+Class+Block+Class:I(Depth^2),
family=binomial(link="logit"), data=taxa.df)
)
summary(taxa36.glm)
MODEL SUMMARY:
==============
Call:
glm(formula = cup_coral ~ Depth + factor(Class) + factor(Block) + factor(Class):I(Depth^2), family = binomial(link="logit"), data = na.omit(d))
Deviance Residuals:
Min 1Q Median 3Q Max
-2.36330 -0.52518 -0.19787 -0.05944 3.01412
Coefficients:
Estimate Std. Error z value Pr(>|z|)
(Intercept) -5.9189217 1.0497440 -5.638 1.72e-08 ***
Depth 0.0906923 0.0290678 3.120 0.00181 **
factor(Class)2 5.0554976 0.6663985 7.586 3.29e-14 ***
factor(Class)3 6.7506467 0.9527576 7.085 1.39e-12 ***
factor(Block)2 -0.8342323 0.2385245 -3.497 0.00047 ***
factor(Block)3 -1.7776564 0.7832775 -2.270 0.02324 *
factor(Class)1:I(Depth^2) -0.0003605 0.0002207 -1.633 0.10241
factor(Class)2:I(Depth^2) -0.0006365 0.0002346 -2.713 0.00666 **
factor(Class)3:I(Depth^2) -0.0008648 0.0003448 -2.508 0.01214 *
---
Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
(Dispersion parameter for binomial family taken to be 1)
Null deviance: 992.38 on 922 degrees of freedom
Residual deviance: 543.69 on 914 degrees of freedom
AIC: 561.69
Number of Fisher Scoring iterations: 7
Analysis of Deviance Table
Model: binomial, link: logit
Response: cup_coral
Terms added sequentially (first to last)
Df Deviance Resid. Df Resid. Dev
NULL 922 992.38
Depth 1 123.20 921 869.18
factor(Class) 2 290.73 919 578.45
factor(Block) 2 20.96 917 557.49
factor(Class):I(Depth^2) 3 13.80 914 543.69
Krigsman, L.M., M.M. Yoklavich, E.J. Dick, and G.R. Cochrane (2012) Models and maps: predicting the distribution of corals and other benthic macro-invertebrates in shelf habitats. Ecosphere 3:1-16.
Online Links:
| Access_Constraints | None |
|---|---|
| Use_Constraints | USGS-authored or produced data and information are in the public domain from the U.S. Government and are freely redistributable with proper metadata and source attribution. Please recognize and acknowledge the U.S. Geological Survey and NOAA National Marine Fisheries as the originator(s) of the dataset and in products derived from these data. This information is not intended for navigation purposes. |
| Data format: | TIFF (version 9.3.1) Arcinfo grid Size: 891 |
|---|---|
| Network links: |
https://pubs.usgs.gov/ds/781/SantaBarbaraChannel/data/CupCorals_SantaBarbaraChannel.zip https://pubs.usgs.gov/ds/781/SantaBarbaraChannel/data_catalog_SantaBarbaraChannel.html https://pubs.usgs.gov/ds/781/ |