Lobsters: A simulated dataset of lobster captures

In dereksonderegger/dsData: Datasets for Teaching

Description

This data is a simulation of a multistage sample. The given scenario is that 31 boats enter a harbor on a given day and 12 different boats or selected for inspection. Aboard each boat, 20 lobsters are sampled and the length of the carapace is measured. Note that any lobster with carapace length less than 3 inches is legally required to be released unharmed at its capture site.

Usage

Lobsters

Format

A data frame with 240 rows and 4 variables:

Boat.ID

A variable denoting which boat.

Catch.Weight

The weight of all lobsters caught (by boat, in thousands of pounds).

Lobster.ID

A variable indicating which lobster.

Lobster.Length

Length of lobsters carapace.

Examples

library(ggplot2)
data(Lobsters)
# Plot each boats Catch.Weight 
ggplot(Lobsters, aes(x=Boat.ID, y=Catch.Weight)) + 
  geom_point()
     
# Plot the lobster lengths, by boat
ggplot(Lobsters, aes(x=Boat.ID, y=Lobster.Length)) +
  geom_point()    
ggplot(Lobsters, aes(x=factor(Boat.ID), y=Lobster.Length)) +
  geom_boxplot()
     
# Plot Lobster Length versus the total Catch Weight
ggplot(Lobsters, aes(x=Catch.Weight, y=Lobster.Length)) +
  geom_point()

dereksonderegger/dsData documentation built on Nov. 22, 2020, 5:15 p.m.