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Table 1 Hocking data set diagnostics

From: On studentized residuals in the quantile regression framework

ESs corresponding to RQs

\(\tau\)

MAD (16)

\({{\upsilon }_{(i)J_\tau }}\) (14)

8

\(11^{\triangle }\)

16

\(18^{\triangle }\)

0.0853

None

\(17^+({1.789}^{*})\)

8

\(11^{\triangle }\)

16

19

0.0930

None

\(17^+({2.043}^{*})\)

8

11

19

\(24^{\times }\)

0.1232

None

\(17^+({2.406}^{*})\)

8

12

13

\(24^{\times }\)

0.1861

\(17^+({3.645}^{**})\), \(18^{\triangle }({-4.582}^{**})\)

\(17^+({1.822}^{*})\), \(18^{\triangle }({-6.507}^{**})\)

8

13

14

\(24^{\times }\)

0.2046

\(11^{\triangle }({ -4.060}^{**})\), \(17^+({5.022}^{**})\), \(18^{\triangle }({-7.486}^{**})\)

\(17^+({2.460}^{*})\), \(18^{\triangle }({-4.869}^{**})\)

1

14

\(24^{\times }\)

26

0.2528

\(11^{\triangle }({ -4.060}^{**})\), \(17^+({5.022}^{**})\), \(18^{\triangle }({-7.486}^{**})\)

\(17^+({2.315}^{*})\), \(18^{\triangle }({-5.439}^{**})\)

1

5

14

\(24^{\times }\)

0.2593

\(11^{\triangle }({ -4.066}^{**})\), \(17^+({5.022}^{**})\), \(18^{\triangle }({-7.494}^{**})\)

\(17^+({2.315}^{*})\), \(18^{\triangle }({-5.439}^{**})\)

1

14

16

\(24^{\times }\)

0.3053

\(11^{\triangle }({ -5.495}^{**})\), \(17^+({6.099}^{**})\), \(18^{\triangle }({-9.149}^{**})\)

\(17^+({1.977}^{*})\), \(18^{\triangle }({-6.853}^{**})\)

1

4

16

\(24^{\times }\)

0.3659

\(11^{\triangle }({ -6.205}^{**})\), \(17^+({6.462}^{**})\), \(18^{\triangle }({-10.647}^{**})\)

\(17^+({2.246}^{*})\), \(18^{\triangle }({-6.394}^{**})\)

1

14

23

\(24^{\times }\)

0.4018

\(11^{\triangle }({ -6.205}^{**})\), \(17^+({6.462}^{**})\), \(18^{\triangle }({-10.647}^{**})\)

\(17^+({2.241}^{*})\), \(18^{\triangle }({-6.394}^{**})\)

14

16

23

\(24^{\times }\)

0.4412

\(11^{\triangle }({ -6.822}^{**})\), \(17^+({6.920}^{**})\), \(18^{\triangle }({-11.740}^{**})\)

\(17^+({1.871}^{*})\),\(18^{\triangle }({-7.223}^{**})\)

10

14

16

\(24^{\times }\)

0.4686

\(11^{\triangle }({ -6.602}^{**})\), \(17^+({6.437}^{**})\), \(18^{\triangle }({-11.162}^{**})\)

\(17^+({2.143}^{*})\), \(18^{\triangle }({-5.689}^{**})\)

7

10

14

\(24^{\times }\)

0.5370

\(11^{\triangle }({ -6.502}^{**})\), \(17^+({6.277}^{**})\), \(18^{\triangle }({-10.923}^{**})\)

\(11^{\triangle }({ -1.741}^{*})\), \(17^+({2.073}^{*})\), \(18^{\triangle }({-5.689}^{**})\)

3

9

10

\(24^{\times }\)

0.5448

\(11^{\triangle }({ -6.728}^{**})\), \(17^+({6.290}^{**})\),\(18^{\triangle }({-11.073}^{**})\)

\(11^{\triangle }({ -1.741}^{*})\), \(17^+({2.073}^{*})\), \(18^{\triangle }({-5.689}^{**})\)

3

8

10

\(24^{\times }\)

0.5512

\(11^{\triangle }({ -6.728}^{**})\), \(17^+({6.290}^{**})\), \(18^{\triangle }({-11.073}^{**})\)

\(17^+({1.893}^{*})\), \(18^{\triangle }({-6.350}^{**})\)

8

9

10

\(24^{\times }\)

0.6215

\(11^{\triangle }({ -7.205}^{**})\), \(17^+({6.045}^{**})\), \(18^{\triangle }({-11.492}^{**})\)

\(17^+({2.013}^{*})\), \(18^{\triangle }({-4.843}^{**})\)

8

9

\(24^{\times }\)

25

0.6315

\(11^{\triangle }({ -7.205}^{**})\), \(17^+({6.045}^{**})\), \(18^{\triangle }({-11.492}^{**})\)

\(11^{\triangle }({ -2.301}^{**})\), \(17^+({2.704}^{**})\), \(18^{\triangle }({-2.543}^{**})\)

9

15

\(24^{\times }\)

25

0.6839

\(11^{\triangle }({ -7.224}^{**})\), \(17^+({5.986}^{**})\), \(18^{\triangle }({-11.488}^{**})\)

\(11^{\triangle }({ -2.132}^{**})\), \(17^+({2.102}^{**})\), \(18^{\triangle }({-4.229}^{**})\)

8

9

15

\(24^{\times }\)

0.7227

\(11^{\triangle }({ -7.240}^{**})\), \(17^+({5.971}^{**})\), \(18^{\triangle }({-11.476}^{**})\)

\(18^{\triangle }({-6.832}^{**})\)

8

10

15

\(24^{\times }\)

0.7304

\(11^{\triangle }({ -7.240}^{**})\), \(17^+({5.971}^{**})\), \(18^{\triangle }({-11.476}^{**})\)

\(18^{\triangle }({-6.832}^{**})\)

6

8

21

\(24^{\times }\)

0.7385

\(11^{\triangle }({ -7.240}^{**})\), \(17^+({5.971}^{**})\), \(18^{\triangle }({-11.476}^{**})\)

\(11^{\triangle }({ -1.911}^{*})\), \(18^{\triangle }({-4.510}^{**})\)

6

21

22

\(24^{\times }\)

0.7660

\(11^{\triangle }({ -6.866}^{**})\), \(17^+({4.990}^{**})\), \(18^{\triangle }({-10.409}^{**})\)

\(11^{\triangle }({ -2.236}^{*})\), \(17^+({2.020}^{*})\), \(18^{\triangle }({-2.687}^{*})\)

6

8

22

\(24^{\times }\)

0.8276

\(11^{\triangle }({ -5.260}^{**})\), \(17^+({3.564}^{**})\), \(18^{\triangle }({-7.887}^{**})\)

\(11^{\triangle }({ -2.807}^{*})\), \(17^+({1.908}^{*})\), \(18^{\triangle }({-2.526}^{*})\)

2

6

8

\(24^{\times }\)

0.9549

None

\(11^{\triangle }({ -2.078}^{*})\), \(18^{\triangle }({-3.067}^{**})\)

6

8

16

\(24^{\times }\)

0.9570

\(11^{\triangle }({ -2.184}^{**})\), \(18^{\triangle }({-2.897}^{**})\)

\(11^{\triangle }({ -2.078}^{*})\), \(18^{\triangle }({-3.067}^{**})\)

  1. \(+\) Outlier, \(\times\) leverage, \(\triangle\) outlier-leverage
  2. MAD (16): (*) and (**) corresponds to k=3 and 4, respectively; SEPR (14): (*) and (**) corresponds to t values \(\pm {1.740}\) and \(\pm {3.544}\), respectively