Displaying 1 result from an estimated 1 matches for "occu1".
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occur
2012 Aug 14
1
Error; contrasts can be applied only to factors with 2 or more levels
...vations:
0 1 <NA>
223 19 0
Site-level covariates:
x1 x2
2: 8 2: 8
3:92 3:92
4:21 4:21
Observation-level covariates:
x3
Min. : 10.00
1st Qu.: 35.00
Median : 67.00
Mean : 65.92
3rd Qu.: 86.00
Max. :174.00
>
> (occu1 <- occu(~1 ~ 1, umf))
Call:
occu(formula = ~1 ~ 1, data = umf)
Occupancy:
Estimate SE z P(>|z|)
-1.95 0.325 -6.01 1.82e-09
Detection:
Estimate SE z P(>|z|)
0.539 0.556 0.969 0.333
AIC: 114.2012
> (occu2 <- occu(~x3 ~x1, umf))
Call:
occu(formula = ~x...