Last data update: 2014.03.03
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R: Concentration Index
Concentration Index
Description
Calculates the Concentration Index (CI) on a daily
precipitation serie.
Usage
ci(..., interval = 1)
Arguments
interval |
the interval in millimeters applied for calculating the
concentration index. (Default value: 1)
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... |
a set of daily precipitation series.
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Value
A data.frame containing the following variables:
-
dataset is the precipitation serie name.
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a is the constant of the exponential curve defined via the
least-squares method.
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b is the constant of the exponential curve defined via the
least-squares method.
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r2 is the determination of coefficient of determination (R2) of
the exponential model.
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A is the area over the exponential curve.
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S is the are compressed for the exponential curve.
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ci is the concentration index.
Author(s)
Lucas Venezian Povoa lucasvenez@gmail.com
See Also
pplot.lorenz
read.data
as.daily
Examples
##
# Loading the daily precipitation serie.
data(daily)
##
# Performing the Concentration Index Analysis
ci(daily, interval = 1)
Results
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