ex1916: Vitamin C and Colds
In Sleuth3: Data Sets from Ramsey and Schafer's "Statistical Sleuth (3rd Ed)"
Description
Usage
Format
Source
Examples
Description
Fictitious data set based on results of an experiment where subjects
were randomly divided into two groups and given a placebo or vitamin c
to take during the cold season. At the end of the cold season, the
subjects were interviewed by a physician who determined whether they
had or had not suffered a cold during the period. Skeptics interviewed
the 800 subjects to determine who knew and who did not know to which
group they had been assigned. Vitamin C has a bitter taste and those
familiar with it could recognize whether their pills contained it.
Usage
1
Format
A data frame with 4 observations on the following 4 variables.
- Knew
a factor with levels "no" and "yes"
- Treatment
a factor with levels "placebo" and
"vitC"
- Cold
number of people who got a cold
- NoCold
number of people who did not get a cold
Source
Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A
Course in Methods of Data Analysis (3rd ed), Cengage Learning.
Examples
1
Sleuth3 documentation built on May 2, 2019, 6:41 a.m.
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Description Usage Format Source Examples
Description
Fictitious data set based on results of an experiment where subjects were randomly divided into two groups and given a placebo or vitamin c to take during the cold season. At the end of the cold season, the subjects were interviewed by a physician who determined whether they had or had not suffered a cold during the period. Skeptics interviewed the 800 subjects to determine who knew and who did not know to which group they had been assigned. Vitamin C has a bitter taste and those familiar with it could recognize whether their pills contained it.
Usage
1 |
Format
A data frame with 4 observations on the following 4 variables.
- Knew
a factor with levels
"no"and"yes"- Treatment
a factor with levels
"placebo"and"vitC"- Cold
number of people who got a cold
- NoCold
number of people who did not get a cold
Source
Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.
Examples
1 |
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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