R Dataset / Package DAAG / cuckoohosts

How To Create a Barplot

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How To Create a Stacked Barplot

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How To Create a Pie Chart

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How To Compute the Mean

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How To Create a Plot

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How to Compute the Median

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Boxplot

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Correlation Coefficient

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Cumulative Frequency Histogram

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Dotplot

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Hollow Histogram

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Numerical Summaries

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Pie Chart

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Plot

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Ratio

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Regression

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Stem and Leaf Plots

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Visual Summaries

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Attachment Size
dataset-62327.csv 703 bytes
Dataset License
GNU General Public License v2.0
Documentation License
GNU General Public License v2.0
Documentation

On this Picostat.com statistics page, you will find information about the cuckoohosts data set which pertains to Comparison of cuckoo eggs with host eggs. The cuckoohosts data set is found in the DAAG R package. Try to load the cuckoohosts data set in R by issuing the following command at the console data("cuckoohosts"). This may load the data into a variable called cuckoohosts. If R says the cuckoohosts data set is not found, you can try installing the package by issuing this command install.packages("DAAG") and then attempt to reload the data with library("DAAG") followed by data("cuckoohosts"). Perhaps strangley, if R gives you no output after entering a command, it means the command succeeded. If it succeeded you can see the data by typing cuckoohosts at the command-line which should display the entire dataset.

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 cuckoohosts R data set. The size of this file is about 703 bytes.


Comparison of cuckoo eggs with host eggs

Description

These data compare mean length, mean breadth, and egg color, between cuckoos and their hosts.

Usage

cuckoohosts

Format

A data frame with 10 observations on the following 12 variables.

clength

mean length of cuckoo eggs in given host's nest

cl.sd

standard deviation of cuckoo egg lengths

cbreadth

mean breadth of cuckoo eggs in given host's nest

cb.sd

standard deviation of cuckoo egg breadths

cnum

number of cuckoo eggs

hlength

length of host eggs

hl.sd

standard deviation of host egg lengths

hbreadth

breadth of host eggs

hb.sd

standard deviation of host egg breadths

hnum

number of host eggs

match

number of eggs where color matched

nomatch

number where color did not match

Details

Although from the same study that generated data in the data frame cuckoos, the data do not match precisely. The cuckoo egg lengths and breadths are from the tables on page 168, the host egg lengths and breadths from Appendix IV on page 176, and the color match counts from the table on page 171.

Source

Latter, O.H., 1902. The egg of cuculus canorus. an inquiry into the dimensions of the cuckoo's egg and the relation of the variations to the size of the eggs of the foster-parent, with notes on coloration, &c. Biometrika, 1:164–176.

Examples

cuckoohosts
str(cuckoohosts)
plot(cuckoohosts)
with(cuckoohosts,
     plot(c(clength,hlength),c(cbreadth,hbreadth),col=rep(1:2,c(6,6))))

--

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