acid_rain.int: Acid Rain Pollution Indices Interval Dataset
In dataSDA: Datasets and Basic Statistics for Symbolic Data Analysis
acid_rain.int R Documentation
Acid Rain Pollution Indices Interval Dataset
Description
Interval-valued acid rain pollution indices for sulphates and nitrates
(kg/hectares) for 2 US states (Massachusetts and New York).
Usage
data(acid_rain.int)
Format
A data frame with 2 observations and 5 variables in Min-Max format:
-
state: State name (character).
-
sulphate_l, sulphate_u: Sulphate pollution index range
(kg/hectares).
-
nitrate_l, nitrate_u: Nitrate pollution index range
(kg/hectares).
Metadata
Sample size (n) 2
Variables (p) 5
Subject area Environment
Symbolic format Interval
Analytical tasks Descriptive statistics
References
Billard, L. and Diday, E. (2006). Symbolic Data Analysis. Wiley.
Table 2.21.
Examples
data(acid_rain.int)
dataSDA documentation built on June 12, 2026, 9:06 a.m.
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| acid_rain.int | R Documentation |
Acid Rain Pollution Indices Interval Dataset
Description
Interval-valued acid rain pollution indices for sulphates and nitrates (kg/hectares) for 2 US states (Massachusetts and New York).
Usage
data(acid_rain.int)
Format
A data frame with 2 observations and 5 variables in Min-Max format:
-
state: State name (character). -
sulphate_l,sulphate_u: Sulphate pollution index range (kg/hectares). -
nitrate_l,nitrate_u: Nitrate pollution index range (kg/hectares).
Metadata
| Sample size (n) | 2 |
| Variables (p) | 5 |
| Subject area | Environment |
| Symbolic format | Interval |
| Analytical tasks | Descriptive statistics |
References
Billard, L. and Diday, E. (2006). Symbolic Data Analysis. Wiley. Table 2.21.
Examples
data(acid_rain.int)
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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