The Crabs2 data file at the text website shows several variables that may be associated with =...

Question

The Crabs2 data file at the text website shows several variables that may be associated with  = whether a female horseshoe crab is monandrous (eggs fertilized by a single male crab) or polyandrous (eggs fertilized by multiple males). Using year of observation, Fcolor = the female crab’s color (1 = dark, 3 = medium, 5 = light), Fsurf = her surface condition (values 1, 2, 3, 4, 5 with lower values representing worse), FCW = female’s carapace width, AMCW = attached male’s carapace width, AMcolor = attached male’s color, and AMsurf = attached male’s surface condition, conduct a logistic model-building process. Prepare a report summarizing this process, with edited software output as an appendix. Interpret results for your chosen model.

Monica · Accepted Answer

crabs analysis
Female horseshoe crab analysis
2022-10-08
library(tidyverse)
## ── Attaching packages ─────────────────────────────────────── tidyverse 1.3.2 ──
## ✔ ggplot2 3.3.6      ✔ purrr   0.3.4 
## ✔ tibble  3.1.8      ✔ dplyr   1.0.10
## ✔ tidyr   1.2.1      ✔ stringr 1.4.1 
## ✔ readr   2.1.2      ✔ forcats 0.5.2 
## ── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
## ✖ dplyr::filter() masks stats::filter()
## ✖ dplyr::lag()    masks stats::lag()
library(caret)
## Loading required package: lattice
## 
## Attaching package: 'caret'
## 
## The following object is masked from 'package:purrr':
## 
##     lift
library(readxl)
library(mlbench)
library(caTools)
crab = read_excel("C:/Users/Monica/Desktop/crab.

The Crabs2 data file at the text website shows several variables that may be associated with = whether a female horseshoe crab is monandrous (eggs fertilized by a single male crab) or polyandrous...

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