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Gemsen (M vs F) data
The data set (and description) can be downloaded here:
http://stat.ethz.ch/Teaching/Datasets/gemsen.dat
Description:
TITLE : gemsen
KEYWORDS (statist) : descriptive statistics, comparison of groups, correlation
APPLICATION AREA : ecology
SHORT DESCRIPTION :
Study on investigation of the constitution of chamois.
Explanatory variables are:
- year been shot;
- male/female;
- age of the shot animal;
- age group;
- weight of the shot animal, in kg;
- horns' length, in mm;
- area code (0 = area of study, 1 = reference area).
DIM.(VAR./OBS.) : 7 / 1353
/ LITERATURE : /
It was a part of a term paper by Carola Tschanen
in the Department Xa Biology
(original source - Berner hunting inspection).
Descriptive statistics:
Dataset= gemsen_MvsF : n= 1349 , d= 6
Class1: n= 796
Covariance matrix:
[,1] [,2] [,3] [,4] [,5] [,6]
[1,] 1.5842 0.0085 0.0092 -0.0029 -0.8373 -0.0779
[2,] 0.0085 8.6215 2.3027 13.8563 81.7292 -0.1494
[3,] 0.0092 2.3027 0.6948 4.1346 25.4369 -0.0485
[4,] -0.0029 13.8563 4.1346 37.5609 208.3378 0.0236
[5,] -0.8373 81.7292 25.4369 208.3378 1510.0854 0.9461
[6,] -0.0779 -0.1494 -0.0485 0.0236 0.9461 0.2244
Correlation matrix:
[,1] [,2] [,3] [,4] [,5] [,6]
[1,] 1.0000 0.0023 0.0087 -0.0004 -0.0171 -0.1306
[2,] 0.0023 1.0000 0.9408 0.7700 0.7163 -0.1074
[3,] 0.0087 0.9408 1.0000 0.8094 0.7853 -0.1228
[4,] -0.0004 0.7700 0.8094 1.0000 0.8748 0.0081
[5,] -0.0171 0.7163 0.7853 0.8748 1.0000 0.0514
[6,] -0.1306 -0.1074 -0.1228 0.0081 0.0514 1.0000
Median: 1993.771 5.2394 2.413 25.3158 217.9232 0.621
Mean: 1993.804 4.3379 2.098 22.7986 203.8932 0.6608
MCD-estimated:
MDC-0.975-Mean: 1993.677 3.5021 1.8883 22.3388 202.2511 1
MDC-0.750-Mean: 1993.676 3.756 1.9461 22.59 203.862 1
MDC-0.500-Mean: 1993.677 3.5021 1.8883 22.3388 202.2511 1
Class2: n= 553
Covariance matrix:
[,1] [,2] [,3] [,4] [,5] [,6]
[1,] 1.9854 0.6351 0.1456 0.2728 4.2444 -0.0189
[2,] 0.6351 18.1412 4.2823 8.2760 132.5639 0.1861
[3,] 0.1456 4.2823 1.1140 2.3945 35.6860 0.0298
[4,] 0.2728 8.2760 2.3945 12.0154 110.2595 0.0839
[5,] 4.2444 132.5639 35.6860 110.2595 1617.4958 1.5457
[6,] -0.0189 0.1861 0.0298 0.0839 1.5457 0.2068
Correlation matrix:
[,1] [,2] [,3] [,4] [,5] [,6]
[1,] 1.0000 0.1058 0.0979 0.0558 0.0749 -0.0295
[2,] 0.1058 1.0000 0.9526 0.5606 0.7739 0.0961
[3,] 0.0979 0.9526 1.0000 0.6545 0.8407 0.0621
[4,] 0.0558 0.5606 0.6545 1.0000 0.7909 0.0532
[5,] 0.0749 0.7739 0.8407 0.7909 1.0000 0.0845
[6,] -0.0295 0.0961 0.0621 0.0532 0.0845 1.0000
Median: 1993.92 5.2809 2.3983 18.5248 182.01 0.6863
Mean: 1993.904 5.0108 2.1953 17.4429 170.7902 0.7089
MCD-estimated:
MDC-0.975-Mean: 1993.811 4.0266 1.9706 17.3814 167.2655 1
MDC-0.750-Mean: 1993.811 4.0266 1.9706 17.3814 167.2655 1
MDC-0.500-Mean: 1993.81 3.9822 1.9615 17.3498 166.8576 1
Measures:
Mah.Dist: 1.7852
Mah.Dist-MCD-0.975: 1.5195
Mah.Dist-MCD-0.750: 1.5152
Mah.Dist-MCD-0.500: 1.5075
All the MCD estimates have been obtained after a slight perturbation of the data set
Zuletzt geändert am 17.02.2013
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