prnn_crabs
type: Item
instance of: data set
OpenML dataset ID: 446
dataset version identifier: 1
description: **Author**: \N**Source**: Unknown - Date unknown \N**Please cite**: \N\NDatasets for `Pattern Recognition and Neural Networks' by B.D. Ripley\N=====================================================================\N\NCambridge University Press (1996) ISBN 0-521-46086-7\N\NThe background to the datasets is described in section 1.4; this file\Nrelates the computer-readable files to that description.\N\N\N\NCushing's syndrome\N------------------\N\NData from Aitchison & Dunsmore (1975, Tables 11.1-3).\N\NData file Cushings.dat has four columns,\N\NLabel of the patient\NTetrhydrocortisone (mg/24hr)\NPregnanetriol (mg/24hr)\NType\N\NThe type of the last six patients (u1 to u6) should be\Nregarded as unknown. (The code `o' indicates `other').\N\N\N\Nsynthetic two-class problem\N---------------------------\N\NData from Ripley (1994a).\N\NThis has two real-valued co-ordinates (xs and ys) and a class (xc)\Nwhich is 0 or 1.\N\NData file synth.tr has 250 rows of the training set\Nsynth.te has 1000 rows of the test set (not used here)\N\N\N\Nviruses\N-------\N\NThis is a dataset on 61 viruses with rod-shaped particles affecting\Nvarious crops (tobacco, tomato, cucumber and others) described by\N{Fauquet et al. (1988) and analysed by Eslava-G\'omez (1989). There\Nare 18 measurements on each virus, the number of amino acid residues\Nper molecule of coat protein.\N\NData file viruses.dat has 61 rows of 18 counts\Nvirus3.dat has 38 rows corresponding to the distinct\NTobamoviruses.\N\NThe whole dataset is in order Hordeviruses (3), Tobraviruses (6),\NTobamoviruses (39) and `furoviruses' (13).\N\N\N\NLeptograpsus crabs\N------------------\N\NData from Campbell & Mahon (1974) on the morphology of rock crabs of\Ngenus Leptograpsus.\N\NThere are 50 specimens of each sex of each of two colour forms.\N\NData file crabs.dat has rows\N\Nsp\T`species', coded B (blue form) or O (orange form)\Nsex\Tcoded M or F\Nindex\Twithin each group of 50\NFL\Tfrontal lip of carapace (mm)\NRW\Trear width o…
upload date: 2014-09-28T00:00:00Z
full work available at URL: prnn crabs.arff
default target attribute: sp
number of binary features: 2
number of classes: 2
number of features: 8
number of instances: 200
number of instances with missing values: 0
number of missing values: 0
number of numeric features: 6
number of symbolic features: 2
file format: ARFF
MaRDI profile type: Dataset
description: OpenML dataset with id 446