R Dataset / Package Stat2Data / Caterpillars

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<iframe src="https://embed.picostat.com/r-dataset-package-stat2data-caterpillars.html" frameBorder="0" width="100%" height="307px" />
Attachment Size
dataset-45031.csv 43.25 KB
Dataset License
GNU General Public License v2.0
Documentation License
GNU General Public License v2.0
Dataset Help

On this Picostat.com statistics page, you will find information about the Caterpillars data set which pertains to Caterpillars. The Caterpillars data set is found in the Stat2Data R package. You can load the Caterpillars data set in R by issuing the following command at the console data("Caterpillars"). This will load the data into a variable called Caterpillars. If R says the Caterpillars data set is not found, you can try installing the package by issuing this command install.packages("Stat2Data") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the Caterpillars R data set. The size of this file is about 44,285 bytes.

Documentation

Caterpillars

Description

Measurements on a sample of Manduca Sexta caterpillars

Format

A dataset with 267 observations on the following 18 variables.

Instar Coded from 1 (smallest) to 5 (largest) indicating stage of the caterpillar's life
ActiveFeeding Indicator (Y or N) of whether or not the animal is actively feeding
Fgp Indicator (Y or N) of whether or not the animal is in a free growth period
Mgp Indicator (Y or N) of whether or not the animal is in a maximum growth period
Mass Body mass (in grams)
LogMass Log (base 10) of body mass
Intake Wet food intake (in grams/day)
LogIntake Log (base 10) of Intake
WetFrass Amount of frass (solid waste) produced (in grams/day)
LogWetFrass Log (base 10) of WetFrass
DryFrass Amount of frass, after drying, produced (in grams/day)
LogDryFrass Log (base 10) of DryFrass
Cassim CO2 assimilation (ingestion - excretion)
LogCassim Log (base 10) of Cassim
Nfrass Nitrogen in frass
LogNfrass Log (base 10) of Nfrass
Nassim Nitrogen assimilation (ingestion - excretion)
LogNassim Log (base 10) of Nassim

Details

Student and faculty researchers at Kenyon College conducted numerous experiments with Manduca Sexta caterpillars to study biological growth.

Source

We thank Professors Harry Itagaki, Drew Kerkhoff, Chris Gillen, and Judy Holdener and their students for sharing this data from research supported by NSF InSTaRs grant #0827208.

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Dataset imported from https://www.r-project.org.

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