R Dataset / Package vcd / VisualAcuity
| Attachment | Size |
|---|---|
| dataset-44739.csv | 663 bytes |
| Dataset Help |
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On this Picostat.com statistics page, you will find information about the VisualAcuity data set which pertains to Visual Acuity in Left and Right Eyes. The VisualAcuity data set is found in the vcd R package. You can load the VisualAcuity data set in R by issuing the following command at the console data("VisualAcuity"). This will load the data into a variable called VisualAcuity. If R says the VisualAcuity data set is not found, you can try installing the package by issuing this command install.packages("vcd") 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 VisualAcuity R data set. The size of this file is about 663 bytes. |
| Documentation |
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Visual Acuity in Left and Right EyesDescriptionData from Kendall & Stuart (1961) on unaided vision among 3,242 men and 7,477 women, all aged 30-39 and employed in the U.K. Royal Ordnance factories 1943-1946. Usage
data("VisualAcuity")
FormatA data frame with 32 observations and 4 variables.
SourceM. Friendly (2000), Visualizing Categorical Data: http://euclid.psych.yorku.ca/ftp/sas/vcd/catdata/vision.sas ReferencesM. G. Kendall & A. Stuart (1961), The Advanced Theory of Statistics, Vol. 2. Griffin, London. M. Friendly (2000), Visualizing Categorical Data. SAS Institute, Cary, NC. Examples
data("VisualAcuity")
structable(~ gender + left + right, data = VisualAcuity)
sieve(Freq ~ left + right | gender, data = VisualAcuity, shade = TRUE)
cotabplot(Freq ~ left + right | gender, data = VisualAcuity,
panel = cotab_agreementplot)
-- Dataset imported from https://www.r-project.org. |
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