1. Title	Dermatology Database

2. Sources	http://www1.ics.uci.edu/~mlearn/MLSummary.html [dermatology]

3. Number of Instances: 366

4. Number of Attributes: 34

5. Attribute Information:

   Variable	Size
   ---------------------
   Dermatology	366x34
   Class	366x1


   Dermatology:
   
      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


   Class:
   
   1.Class code

8. Missing attribute values: 8 (in Age attribute). Distinguished with 'NaN'.

9. Class distribution: 

   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