ozone {ISR}

ozone

Description

ozone

Usage

data("ozone")

Format

A data frame with 112 observations on the following 11 variables.

maxO3

a numeric vector

T9

a numeric vector

T12

a numeric vector

T15

a numeric vector

Ne9

a numeric vector

Ne12

a numeric vector

Ne15

a numeric vector

Vx9

a numeric vector

Vx12

a numeric vector

Vx15

a numeric vector

maxO3v

a numeric vector

Details

There are 115 missing values in it, accounting for 9.96 percent.

Source

http://factominer.free.fr/missMDA/index.html

References

Audigier, V., Husson, F., and Josse, J. (2014). A principal components method to impute missing values for mixed data. Advances in Data Analysis and Classification, 10(1), 5-26.

Examples

data(ozone)
## maybe str(ozone) ; plot(ozone) ...