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    "description": "**Author**: JP Marques de S\u00e1, J Jossinet  \n**Source**: UCI    \n**Please cite**:     \n\n* Source:\n  \nJP Marques de S\u00e1, INEB-Instituto de Engenharia Biom\u00e9dica, Porto, Portugal; e-mail: jpmdesa '@' gmail.com \nJ Jossinet, inserm, Lyon, France\n\n* Data Set Information:\n  \nImpedance measurements were made at the frequencies: 15.625, 31.25, 62.5, 125, 250, 500, 1000 KHz Impedance measurements of freshly excised breast tissue were made at the following frequencies: 15.625, 31.25, 62.5, 125, 250, 500, 1000 KHz. These measurements plotted in the (real, -imaginary) plane constitute the impedance spectrum from where the breast tissue features are computed. \n\nThe dataset can be used for predicting the classification of either the original 6 classes or of 4 classes by merging together the fibro-adenoma, mastopathy and glandular classes whose discrimination is not important (they cannot be accurately discriminated anyway).\n\n  \n* Attribute Information:\n  \nI0 Impedivity (ohm) at zero frequency \nPA500 phase angle at 500 KHz \nHFS high-frequency slope of phase angle \nDA impedance distance between spectral ends \nAREA area under spectrum \nA\/DA area normalized by DA \nMAX IP maximum of the spectrum \nDR distance between I0 and real part of the maximum frequency point \nP length of the spectral curve \nClass car(carcinoma), fad + mas + gla, con (connective), adi (adipose). ",
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    "uploader": "Rafael Gomes Mantovani",
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    "date": "2015-05-21 23:00:17",
    "update_comment": null,
    "last_update": "2016-01-18 18:37:55",
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