R Dataset / Package Stat2Data / CloudSeeding
On this R-data statistics page, you will find information about the CloudSeeding data set which pertains to Cloud Seeding. The CloudSeeding data set is found in the Stat2Data R package. You can load the CloudSeeding data set in R by issuing the following command at the console data("CloudSeeding"). This will load the data into a variable called CloudSeeding. If R says the CloudSeeding 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 with the library() command. 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 CloudSeeding R data set. The size of this file is about 1,083 bytes.
Cloud Seeding
Description
Rainfall amounts from a cloud seeding experiment (winter only)
Format
A dataset with 28 observations on the following 7 variables.
Seeded | Treatment coded as S=seded or U=unseeded |
Season | All in Winter |
TE | Rainfall in East (treatment) |
TW | Rainfall in West (treatment |
NC | Rainfall in North (control) |
SC | Rainfall in South (control) |
NWC | Rainfall in Northwest (control) |
Details
Researchers were interested in whether seeded clouds would produce more rainfall. An experiment was conducted in Tasmania between 1964 and 1971 and rainfall amounts were measured in inches per rainfall period. The researchers measured the amount of rainfall in two target areas: East (TE) and West (TW). They also measured the amount of rainfall in three control locations. Clouds were coded as being either seeded (treatment) or unseeded (control). This is a subset (only Winter months) of the larger CloudSeeding2 dataset. All rainfall amounts are in inches.
Source
Data were accessed from the website www.statsci.org/data/oz/cloudtas.html. This is the web home of the Australasian Data and Story Library (OzDASL).
References
A.J. Miller, D.E. Shaw, L.G. Veitch, and E.J. Smith, (1979) "Analyzing the results of a cloud-seeding experiment in Tasmania" in Communications in Statistics: Theory and Methods, A8 (10), pp. 1017-1047.
Dataset imported from https://www.r-project.org.
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