WINE TASTER ON 10/17/98 AT CLEMENS' WITH 4 JUDGES AND 12 WINES BASED ON RANKS
Copyright (c) 1994-97 Richard E. Quandt
Rank Table for Judges
Judge Wine -> A B C D E F G H I J K L
Joern 5. 2. 11. 8. 6. 1. 9. 3. 10. 7. 12. 4.
Pascale 3. 1. 8. 4. 5. 6. 7. 9. 10. 12. 11. 2.
Karl 7. 2. 9. 10. 11. 6. 8. 5. 4. 3. 12. 1.
Orley 8. 1. 9. 3. 4. 12. 7. 11. 6. 5. 10. 2.
Table of Votes Against
Wine -> A B C D E F G H I J K L
Rank
1 0. 2. 0. 0. 0. 1. 0. 0. 0. 0. 0. 1.
2 0. 2. 0. 0. 0. 0. 0. 0. 0. 0. 0. 2.
3 1. 0. 0. 1. 0. 0. 0. 1. 0. 1. 0. 0.
4 0. 0. 0. 1. 1. 0. 0. 0. 1. 0. 0. 1.
5 1. 0. 0. 0. 1. 0. 0. 1. 0. 1. 0. 0.
6 0. 0. 0. 0. 1. 2. 0. 0. 1. 0. 0. 0.
7 1. 0. 0. 0. 0. 0. 2. 0. 0. 1. 0. 0.
8 1. 0. 1. 1. 0. 0. 1. 0. 0. 0. 0. 0.
9 0. 0. 2. 0. 0. 0. 1. 1. 0. 0. 0. 0.
10 0. 0. 0. 1. 0. 0. 0. 0. 2. 0. 1. 0.
11 0. 0. 1. 0. 1. 0. 0. 1. 0. 0. 1. 0.
12 0. 0. 0. 0. 0. 1. 0. 0. 0. 1. 2. 0.
Votes -> 23. 6. 37. 25. 26. 25. 31. 28. 30. 27. 45. 9.
We now measure the amount of correlation (W) among the judges:
W = 1.0 => perfect correlation, W = 0 => no correlation
We also provide a probability measure that this correlation is due to chance
In this case the correlation is
W = 0.5367
Probability that correlation is due to chance = 0.0145
We compute the correlation of each taster with the average ranking of the oth-
ers. 1.0 => perfect correlation, 0 => no correl., -1.0 => total disagreement
Name of Person Correlation
Joern 0.4296
Pascale 0.3691
Karl 0.3439
Orley 0.3351
Table of Aggregate Wine Quality
Wine Ranksum Significance Wine Ranksum Significance
Alphabetic Order Ranksum Order
A 23.0 B 6.0 SIGNIFICANTLY HIGH QUALITY
B 6.0 SIGNIFICANTLY HIGH QUALITY L 9.0 SIGNIFICANTLY HIGH QUALITY
C 37.0 SIGNIFICANTLY LOW QUALITY A 23.0
D 25.0 D 25.0
E 26.0 F 25.0
F 25.0 E 26.0
G 31.0 J 27.0
H 28.0 H 28.0
I 30.0 I 30.0
J 27.0 G 31.0
K 45.0 SIGNIFICANTLY LOW QUALITY C 37.0 SIGNIFICANTLY LOW QUALITY
L 9.0 SIGNIFICANTLY HIGH QUALITY K 45.0 SIGNIFICANTLY LOW QUALITY
Identification of Wines Votes Against
Wine A is Kartäuserhof/Eitelsbacher Kartäuserhofberg Auslese 97 23.
Wine B is Busch/Pündericher Marienburg Spätlese 97 6.
Wine C is Heymann-Loewenstein/Schieferterassen 97 37.
Wine D is Haus Klosterberg/Zeltinger Sonnenuhr Spätlese 97 25.
Wine E is Kartäuserhof/Eitelsbacher Kartäuserhofberg Spätlese 97 26.
Wine F is Kallfelz/Merler Königslay Terassen Auslese 97 25.
Wine G is Immich-Batterieberg/Enkircher Batterieberg Spätlese 97 31.
Wine H is Kallfelz/Merler Königslay Terassen Spätlese 97 28.
Wine I is Selbach-Oster/Bernkasteler Badstube Spätlese 97 30.
Wine J is Christoffel/Uerziger Würzgarten Auslese 97 27.
Wine K is Reichsgraf von Kesselstadt/Scharzhofberger Spätlese 97 45.
Wine L is Busch/Pündericher Marienburg Auslese 97 9.
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