findOutliers.ESD.test: Find outliers based on the ESD test

Description Usage Arguments Value Author(s) Source References Examples

Description

FindOutliersESDtest returns the position of the values outside the allowed range by a criteria based on the ESD test.

Usage

1
FindOutliersESDtest(dataSeries,k=10,alpha=0.05)

Arguments

dataSeries

time series of climate data

k

number of outliers

alpha

significance level

Value

Vector with the positions of the outliers.

Author(s)

Jose Gama

Source

NIST/SEMATECH e-Handbook of Statistical Methods, 2013 http://www.itl.nist.gov/div898/handbook/

References

NIST/SEMATECH e-Handbook of Statistical Methods, 2013 http://www.itl.nist.gov/div898/handbook/

Examples

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y = c(-0.25, 0.68, 0.94, 1.15, 1.20, 1.26, 1.26,
       1.34, 1.38, 1.43, 1.49, 1.49, 1.55, 1.56,
       1.58, 1.65, 1.69, 1.70, 1.76, 1.77, 1.81,
       1.91, 1.94, 1.96, 1.99, 2.06, 2.09, 2.10,
       2.14, 2.15, 2.23, 2.24, 2.26, 2.35, 2.37,
       2.40, 2.47, 2.54, 2.62, 2.64, 2.90, 2.92,
       2.92, 2.93, 3.21, 3.26, 3.30, 3.59, 3.68,
       4.30, 4.64, 5.34, 5.42, 6.01)
FindOutliersESDtest(y)

Example output

   No.Outliers Test.Stat Critical.Val
1            1  3.118906     3.158794
2            2  2.942973     3.151430
3            3  3.179424     3.143890
4            4  2.810181     3.136165
5            5  2.815580     3.128247
6            6  2.848172     3.120128
7            7  2.279327     3.111796
8            8  2.310366     3.103243
9            9  2.101581     3.094456
10          10  2.067178     3.085425

climtrends documentation built on May 29, 2017, 11:58 p.m.