main main
KEEL-dataset - data set description
dataset/images/lymphography.jpg



This section describes main characteristics of the lymphography data set and its attributes:

General information

Lymphography Multi-class Imbalanced data set
TypeImbalancedOriginReal world
Features 18(Real / Integer / Nominal)(3 / 0 / 15)
Instances148 IR40.5
% Positive instances2.41% Negative instances97.59
Missing values?No

Attribute description

AttributeDomainAttributeDomain
lymphatics{normal, arched, deformed, displaced}lym_nodes_enlar[1.0, 4.0]
block_of_affere{no, yes}changes_in_lym{bean, oval, round}
bl_of_lymph_c{no, yes}defect_in_node{no, lacunar, lac_margin, lac_central}
bl_of_lymph_s{no, yes}changes_in_node{no, lacunar, lac_margin, lac_central}
by_pass{no, yes}changes_in_stru{no, grainy, drop_like, coarse, diluted, reticular, stripped, faint}
extravasates{no, yes}special_forms{no, chalices, vesicles}
regeneration_of{no, yes}dislocation_of{no, yes}
early_uptake_in{no, yes}exclusion_of_no{no, yes}
lym_nodes_dimin[0.0, 3.0]no_of_nodes_in[1.0, 8.0]
class{normal, metastases, malign_lymph, fibrosis}

Additional information

An imbalanced version of the Lymphography data set, where there are some classes with a small number of examples while other classes have a large number of examples.




In this section you can download some files related to the lymphography data set:

  • The complete data set already formatted in KEEL format can be downloaded from herezip.gif.
  • A copy of the data set already partitioned by means of a 5-folds cross validation procedure can be downloaded from herezip.gif.
  • The header file associated to this data set can be downloaded from heretxt.png.


 
 Copyright 2004-2018, KEEL (Knowledge Extraction based on Evolutionary Learning)
About the Webmaster Team
Valid XHTML 1.1   Valid CSS!