dsm (version 2.1.3)

mexdolphins: Pan-tropical spotted dolphins

Description

Data from a combination of several shipboard surveys conducted on pan-tropical spotted dolphins in the Gulf of Mexico. 47 observations of groups of dolphins The group size was recorded, as well as the Beaufort sea state at the time of the observation. Coordinates for each observation and bathymetry data were also available as covariates for the analysis. A complete example analysis is provided at https://github.com/dill/dsm/wiki/mexico-analysis.

format

List of 5 $ obsdata :'data.frame': 47 obs. of 5 variables: ..$ object : int [1:47] 45 61 63 85 114 120 146 165 187 214 ... ..$ Sample.Label: Factor w/ 387 levels "19960417-1","19960417-2",..: 45 61 63 85 114 120 146 165 187 214 ... ..$ size : num [1:47] 21 150 125 75 50 45 40 220 100 35 ... ..$ distance : num [1:47] 3297 929 6051 5500 7259 ... ..$ Effort : num [1:47] 36300 17800 21000 21800 13400 20900 20600 21700 29400 22900 ... $ preddata :'data.frame': 1374 obs. of 7 variables: ..$ latitude : num [1:1374] 30.1 30.1 30.1 30.1 30.1 ... ..$ longitude: num [1:1374] -87.6 -87.4 -87.2 -87.1 -86.9 ... ..$ depth : num [1:1374] 35 30 27 22 46 14 38 58 100 156 ... ..$ x : num [1:1374] 70832 86868 102904 118940 134976 ... ..$ y : num [1:1374] 341079 341079 341079 341079 341079 ... ..$ width : num [1:1374] 32072 32072 32072 32072 32072 ... ..$ height : num [1:1374] 37065 37065 37065 37065 37065 ... $ segdata :'data.frame': 387 obs. of 8 variables: ..$ latitude : num [1:387] 29.9 29.8 29.8 29.7 29.6 ... ..$ longitude : num [1:387] -86.9 -86.8 -86.7 -86.7 -86.6 ... ..$ Effort : num [1:387] 13800 14000 14000 13900 13800 13800 14000 14000 13900 14800 ... ..$ Transect.Label: Factor w/ 45 levels "19960417","19960418",..: 1 1 1 1 1 1 1 1 1 2 ... ..$ Sample.Label : Factor w/ 387 levels "19960417-1","19960417-2",..: 1 2 3 4 5 6 7 8 9 10 ... ..$ depth : num [1:387] 135 148 152 164 180 ... ..$ x : num [1:387] 134159 143496 152050 161102 169553 ... ..$ y : num [1:387] 325561 314055 304324 293475 282984 ... $ distdata :'data.frame': 47 obs. of 10 variables: ..$ object : int [1:47] 45 61 63 85 114 120 146 165 187 214 ... ..$ size : num [1:47] 21 150 125 75 50 45 40 220 100 35 ... ..$ distance : num [1:47] 3297 929 6051 5500 7259 ... ..$ Effort : num [1:47] 36300 17800 21000 21800 13400 20900 20600 21700 29400 22900 ... ..$ detected : num [1:47] 1 1 1 1 1 1 1 1 1 1 ... ..$ beaufort : num [1:47] 4 4 2 1 3 5 1 5 2 5 ... ..$ latitude : num [1:47] 27.7 26 26 27.5 27.4 ... ..$ longitude: num [1:47] -86 -87.6 -87.9 -90.4 -95 ... ..$ x : num [1:47] 228139 69199 37046 -210016 -658878 ... ..$ y : num [1:47] 79258 -113083 -112197 54208 43337 ... $ survey.area:'data.frame': 45 obs. of 2 variables: ..$ longitude: num [1:45] -87.4 -94.9 -96.3 -96.5 -96.6 ... ..$ latitude : num [1:45] 25.8 25.8 25.8 26.2 27.2 ...