Online Links:
Online Links:
| Range of values | |
|---|---|
| Minimum: | 2.22045e-016 |
| Maximum: | .705603 |
Taxa Model Formulas for GLM:
Brittle Star
taxa~Depth+I(Depth^2)+ Class+Block+Depth:Block, # Depth+ Depth^2+Class+Block+Depth:Block tryCatch(taxa33.glm <- glm(taxa~Depth+I(Depth^2)+
Class+Block+Depth:Block, family=binomial(link="logit"), data=taxa.df),
warning = function(x) { output.df[33,"flag"] <<- 1 }, finally = taxa33.glm <- glm(taxa~Depth+I(Depth^2)+ Class+Block+Depth:Block, family=binomial(link="logit"), data=taxa.df)
)
summary(taxa33.glm)
MODEL SUMMARY:
==============
Call:
glm(formula = brit_in ~ Depth + I(Depth^2) + factor(Class) + factor(Block) + Depth:factor(Block), family = binomial(link="logit"), data = na.omit(d))
Deviance Residuals:
Min 1Q Median 3Q Max
-1.5551 -0.6983 -0.4912 -0.1107 2.7408
Coefficients:
Estimate Std. Error z value Pr(>|z|)
(Intercept) -1.6441219 0.6640992 -2.476 0.01330 *
Depth 0.1144813 0.0234621 4.879 1.06e-06 ***
I(Depth^2) -0.0013578 0.0002068 -6.567 5.13e-11 ***
factor(Class)2 -0.9254904 0.3303862 -2.801 0.00509 **
factor(Class)3 -0.8756778 0.5539213 -1.581 0.11391
factor(Block)2 -1.5455724 0.5615242 -2.752 0.00591 **
factor(Block)3 -4.4970380 0.7311817 -6.150 7.73e-10 ***
Depth:factor(Block)2 0.0061871 0.0092539 0.669 0.50376
Depth:factor(Block)3 0.0807144 0.0147237 5.482 4.21e-08 ***
---
Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
(Dispersion parameter for binomial family taken to be 1)
Null deviance: 1009.10 on 922 degrees of freedom
Residual deviance: 841.58 on 914 degrees of freedom
AIC: 859.58
Number of Fisher Scoring iterations: 5
Analysis of Deviance Table
Model: binomial, link: logit
Response: brit_in
Terms added sequentially (first to last)
Df Deviance Resid. Df Resid. Dev
NULL 922 1009.10
Depth 1 2.14 921 1006.96
I(Depth^2) 1 85.43 920 921.53
factor(Class) 2 8.31 918 913.22
factor(Block) 2 43.91 916 869.30
Depth:factor(Block) 2 27.72 914 841.58
resampled to 10 meters
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: 887 |
|---|---|
| Network links: |
https://pubs.usgs.gov/ds/781/SantaBarbaraChannel/data/BrittleStars_SantaBarbaraChannel.zip https://pubs.usgs.gov/ds/781/SantaBarbaraChannel/data_catalog_SantaBarbaraChannel.html https://pubs.usgs.gov/ds/781/ |