R Dataset / Package HSAUR / clouds
On this Picostat.com statistics page, you will find information about the clouds data set which pertains to Cloud Seeding Data . The clouds data set is found in the HSAUR R package. Try to load the clouds data set in R by issuing the following command at the console data("clouds"). This may load the data into a variable called clouds. If R says the clouds data set is not found, you can try installing the package by issuing this command install.packages("HSAUR") and then attempt to reload the data with library("HSAUR") followed by data("clouds"). 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 clouds 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 clouds R data set. The size of this file is about 972 bytes.
Cloud Seeding Data
Data from an experiment investigating the use of massive amounts of silver iodide (100 to 1000 grams per cloud) in cloud seeding to increase rainfall.
A data frame with 24 observations on the following 7 variables.
Weather modification, or cloud seeding, is the treatment of individual clouds or storm systems with various inorganic and organic materials in the hope of achieving an increase in rainfall. Introduction of such material into a cloud that contains supercooled water, that is, liquid water colder than zero Celsius, has the aim of inducing freezing, with the consequent ice particles growing at the expense of liquid droplets and becoming heavy enough to fall as rain from clouds that otherwise would produce none.
The data available in
W. L. Woodley, J. Simpson, R. Biondini and J. Berkeley (1977), Rainfall results 1970-75: Florida area cumulus experiment. Science 195, 735–742.
R. D. Cook and S. Weisberg (1980), Characterizations of an empirical influence function for detecting influential cases in regression. Technometrics 22, 495–508.
data("clouds", package = "HSAUR") layout(matrix(1:2, nrow = 2)) boxplot(rainfall ~ seeding, data = clouds, ylab = "Rainfall") boxplot(rainfall ~ echomotion, data = clouds, ylab = "Rainfall")
Dataset imported from https://www.r-project.org.
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