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Chemical Diabetes (N vs O) data
The data set (and description) can be downloaded here:
http://cran.r-project.org/web/packages/locfit/
Description:
Chemical Diabetes Dataset
Description:
Numeric variables are rw, fpg, ga, ina and sspg. Classifier cc is the
Diabetic type.
Usage:
data(chemdiab)
Format:
Data frame with five numeric measurements and categroical response.
Source:
Reaven and Miller (1979).
References:
Reaven, G. M. and Miller, R. G. (1979). An attempt to define the nature of
chemical diabetes using a multidimensional analysis. Diabetologia 16, 17-24.
Descriptive statistics:
Dataset= chemdiab_2vs3 : n= 109 , d= 5
Class1: n= 76
Covariance matrix:
[,1] [,2] [,3] [,4] [,5]
[1,] 0.0165 0.3150 0.9785 0.5182 3.2957
[2,] 0.3150 67.6989 86.2716 19.0796 46.8133
[3,] 0.9785 86.2716 1359.4393 574.6572 446.0267
[4,] 0.5182 19.0796 574.6572 4740.8454 1955.9200
[5,] 3.2957 46.8133 446.0267 1955.9200 3310.0267
Correlation matrix:
[,1] [,2] [,3] [,4] [,5]
[1,] 1.0000 0.2979 0.2064 0.0585 0.4456
[2,] 0.2979 1.0000 0.2844 0.0337 0.0989
[3,] 0.2064 0.2844 1.0000 0.2264 0.2103
[4,] 0.0585 0.0337 0.2264 1.0000 0.4938
[5,] 0.4456 0.0989 0.2103 0.4938 1.0000
Median: 0.9429 91.4532 348.2076 164.5472 105.3576
Mean: 0.9372 91.1842 349.9737 172.6447 114
MCD-estimated:
MDC-0.975-Mean: 0.9208 91.1429 346.6667 162.4127 97
MDC-0.750-Mean: 0.9231 91.377 348.7705 159.6393 95.082
MDC-0.500-Mean: 0.9187 91.3 348.5167 162.25 94.1833
Class2: n= 33
Covariance matrix:
[,1] [,2] [,3] [,4] [,5]
[1,] 0.0145 -2.5746 -13.6678 3.5144 3.0211
[2,] -2.5746 5861.9167 22623.1042 -4479.6250 3948.3021
[3,] -13.6678 22623.1042 95725.4394 -19843.1875 15333.8134
[4,] 3.5144 -4479.6250 -19843.1875 8728.2500 -1653.8438
[5,] 3.0211 3948.3021 15333.8134 -1653.8438 7800.7973
Correlation matrix:
[,1] [,2] [,3] [,4] [,5]
[1,] 1.0000 -0.2796 -0.3673 0.3127 0.2844
[2,] -0.2796 1.0000 0.9550 -0.6263 0.5839
[3,] -0.3673 0.9550 1.0000 -0.6865 0.5611
[4,] 0.3127 -0.6263 -0.6865 1.0000 -0.2004
[5,] 0.2844 0.5839 0.5611 -0.2004 1.0000
Median: 1.0098 202.1623 990.7503 104.0833 326.8165
Mean: 0.9839 217.6667 1043.758 106 318.8788
MCD-estimated:
MDC-0.975-Mean: 0.9724 226.72 1108.04 86.2 330.64
MDC-0.750-Mean: 0.9724 226.72 1108.04 86.2 330.64
MDC-0.500-Mean: 0.9724 226.72 1108.04 86.2 330.64
Measures:
Mah.Dist: 4.9407
Mah.Dist-MCD-0.975: 5.2906
Mah.Dist-MCD-0.750: 5.314
Mah.Dist-MCD-0.500: 5.2906
Zuletzt geändert am 17.02.2013
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