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data/tanveer/dermatology/dermatology.names

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+1. Title: Dermatology Database
+
+2. Source Information:
+   (a) Original owners:
+       -- 1. Nilsel Ilter, M.D., Ph.D., 
+             Gazi University, 
+             School of Medicine
+             06510 Ankara, Turkey
+             Phone: +90 (312) 214 1080
+
+       -- 2. H. Altay Guvenir, PhD., 
+             Bilkent University,
+             Department of Computer Engineering and Information Science,
+             06533 Ankara, Turkey
+             Phone: +90 (312) 266 4133
+             Email: guvenir@cs.bilkent.edu.tr
+
+   (b) Donor: H. Altay Guvenir,
+              Bilkent University,
+              Department of Computer Engineering and Information Science,
+              06533 Ankara, Turkey
+              Phone: +90 (312) 266 4133
+              Email: guvenir@cs.bilkent.edu.tr
+
+   (c) Date:  January, 1998
+
+3. Past Usage:
+   1. G. Demiroz, H. A. Govenir, and N. Ilter, 
+      "Learning Differential Diagnosis of Eryhemato-Squamous Diseases using
+       Voting Feature Intervals", Aritificial Intelligence in Medicine,
+
+      The aim is to determine the type of Eryhemato-Squamous Disease.
+
+4. Relevant Information:
+     This database contains 34 attributes, 33 of which are linear
+     valued and one of them is nominal. 
+
+     The differential diagnosis of erythemato-squamous diseases is a real
+     problem in dermatology. They all share the clinical features of
+     erythema and scaling, with very little differences. The diseases in
+     this group are psoriasis, seboreic dermatitis, lichen planus, 
+     pityriasis rosea, cronic dermatitis, and pityriasis rubra pilaris.
+     Usually a biopsy is necessary for the diagnosis but unfortunately
+     these diseases share many histopathological features as
+     well. Another difficulty for the differential diagnosis is that a
+     disease may show the features of another disease at the beginning
+     stage and may have the characteristic features at the following stages. 
+     Patients were first evaluated clinically with 12 features.
+     Afterwards, skin samples were taken for the evaluation of 22
+     histopathological features. The values of the histopathological features
+     are determined by an analysis of the samples under a microscope. 
+
+     In the dataset constructed for this domain, the family history feature
+     has the value 1 if any of these diseases has been observed in the
+     family, and 0 otherwise. The age feature simply represents the age of
+     the patient. Every other feature (clinical and histopathological) was
+     given a degree in the range of 0 to 3. Here, 0 indicates that the
+     feature was not present, 3 indicates the largest amount possible,
+     and 1, 2 indicate the relative intermediate values.
+
+     The names and id numbers of the patients were recently 
+     removed from the database.
+
+5. Number of Instances: 366
+
+6. Number of Attributes: 34
+
+7. Attribute Information:
+   -- Complete attribute documentation:
+      Clinical Attributes: (take values 0, 1, 2, 3, unless otherwise indicated)
+      1: erythema
+      2: scaling
+      3: definite borders
+      4: itching
+      5: koebner phenomenon
+      6: polygonal papules
+      7: follicular papules
+      8: oral mucosal involvement
+      9: knee and elbow involvement
+     10: scalp involvement
+     11: family history, (0 or 1)
+     34: Age (linear)
+
+     Histopathological Attributes: (take values 0, 1, 2, 3)
+     12: melanin incontinence
+     13: eosinophils in the infiltrate
+     14: PNL infiltrate
+     15: fibrosis of the papillary dermis
+     16: exocytosis
+     17: acanthosis
+     18: hyperkeratosis
+     19: parakeratosis
+     20: clubbing of the rete ridges
+     21: elongation of the rete ridges
+     22: thinning of the suprapapillary epidermis
+     23: spongiform pustule
+     24: munro microabcess
+     25: focal hypergranulosis
+     26: disappearance of the granular layer
+     27: vacuolisation and damage of basal layer
+     28: spongiosis
+     29: saw-tooth appearance of retes
+     30: follicular horn plug
+     31: perifollicular parakeratosis
+     32: inflammatory monoluclear inflitrate
+     33: band-like infiltrate
+      
+8. Missing Attribute Values: 8 (in Age attribute). Distinguished with '?'.
+
+9. Class Distribution:
+       Database:  Dermatology
+       
+       Class code:   Class:                  Number of instances:
+       1             psoriasis			    112
+       2             seboreic dermatitis             61
+       3             lichen planus                   72
+       4             pityriasis rosea                49
+       5             cronic dermatitis               52    
+       6             pityriasis rubra pilaris        20