openml-datasets

Field	Type	Format
age	number	default
sex	string	default
on_thyroxine	string	default
query_on_thyroxine	string	default
on_antithyroid_medication	string	default
sick	string	default
pregnant	string	default
thyroid_surgery	string	default
I131_treatment	string	default
query_hypothyroid	string	default
query_hyperthyroid	string	default
lithium	string	default
goitre	string	default
tumor	string	default
hypopituitary	string	default
psych	string	default
TSH_measured	string	default
TSH	number	default
T3_measured	string	default
T3	number	default
TT4_measured	string	default
TT4	number	default
T4U_measured	string	default
T4U	number	default
FTI_measured	string	default
FTI	number	default
TBG_measured	string	default
TBG	string	default
referral_source	string	default
Class	string	default

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About

Last updated: 9 February 2026
Total rows: ...
Format: CSV
File size: 296 kB
License: Open Data Commons Public Domain Dedication and License

About this dataset

The resources for this dataset can be found at https://www.openml.org/d/38

Author: Ross Quinlan Source: UCI
Please cite: Thyroid disease records supplied by the Garavan Institute and J. Ross Quinlan, New South Wales Institute, Syndney, Australia. 1987.

Attribute information:

sick, negative.   |  classes

age:    continuous.
sex:    M, F.
on thyroxine:   f, t.
query on thyroxine:  f, t.
on antithyroid medication: f, t.
sick:    f, t.
pregnant:   f, t.
thyroid surgery:  f, t.
I131 treatment:   f, t.
query hypothyroid:  f, t.
query hyperthyroid:  f, t.
lithium:   f, t.
goitre:    f, t.
tumor:    f, t.
hypopituitary:   f, t.
psych:    f, t.
TSH measured:   f, t.
TSH:    continuous.
T3 measured:   f, t.
T3:    continuous.
TT4 measured:   f, t.
TT4:    continuous.
T4U measured:   f, t.
T4U:    continuous.
FTI measured:   f, t.
FTI:    continuous.
TBG measured:   f, t.
TBG:    continuous.
referral source:  WEST, STMW, SVHC, SVI, SVHD, other.

 Num Instances:     3772
 Num Attributes:    30
 Num Continuous:    7 (Int 1 / Real 6)
 Num Discrete:      23
 Missing values:    6064 /  5.4%

     name                      type enum ints real     missing    distinct  (1)
   1 'age'                     Int    0% 100%   0%     1 /  0%    93 /  2%   0% 
   2 'sex'                     Enum  96%   0%   0%   150 /  4%     2 /  0%   0% 
   3 'on thyroxine'            Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
   4 'query on thyroxine'      Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
   5 'on antithyroid medicati  Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
   6 'sick'                    Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
   7 'pregnant'                Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
   8 'thyroid surgery'         Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
   9 'I131 treatment'          Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
  10 'query hypothyroid'       Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
  11 'query hyperthyroid'      Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
  12 'lithium'                 Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
  13 'goitre'                  Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
  14 'tumor'                   Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
  15 'hypopituitary'           Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
  16 'psych'                   Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
  17 'TSH measured'            Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
  18 'TSH'                     Real   0%  11%  79%   369 / 10%   287 /  8%   2% 
  19 'T3 measured'             Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
  20 'T3'                      Real   0%   9%  71%   769 / 20%    69 /  2%   0% 
  21 'TT4 measured'            Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
  22 'TT4'                     Real   0%  94%   0%   231 /  6%   241 /  6%   1% 
  23 'T4U measured'            Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
  24 'T4U'                     Real   0%   2%  87%   387 / 10%   146 /  4%   1% 
  25 'FTI measured'            Enum 100%   0%   0%     0 /  0%     2 /  0%   0% 
  26 'FTI'                     Real   0%  90%   0%   385 / 10%   234 /  6%   2% 
  27 'TBG measured'            Enum 100%   0%   0%     0 /  0%     1 /  0%   0% 
  28 'TBG'                     Real   0%   0%   0%  3772 /100%     0 /  0%   0% 
  29 'referral source'         Enum 100%   0%   0%     0 /  0%     5 /  0%   0% 
  30 'Class'                   Enum 100%   0%   0%     0 /  0%     2 /  0%   0%