Attribute Information:Input variables:There are 20 fields. The first 19 fields describe some kind of descriptive features seen in images.1. q - The binary result of quality assessment. 0 = bad quality, 1 = sufficient quality.2. ps - The binary result of pre-screening, where 1 indicates severe retinal abnormality and 0 its lack.3-8(nma.a,nma.b,nma.c,nma.d,nma.e,nma.f)The results of microaneurism detection. Each feature value stand for the number of microaneurismsfound at the confidence levels alpha = 0.5,0.6,0.7,0.8,0.9,1.0 9-16(nex.a,nex.b,nex.c,nex.d,nex.e,nex.f,nex.g,nex.h)contains the same information as nma.a - nma.f for exudates. However, as exudates are representedby a set of points rather than the number of pixels constructing the lesions, these features are normalizedby dividing the number of lesions with the diameter of the ROI to compensate different image sizes.17. dd - The euclidean distance of the center of the macula and the center of the optic disc to provide important information regarding the patients condition. This feature is also normalized with the diameter of the ROI.18. dm - The diameter of the optic disc.19. amfm - The binary result of the AM/FM-based classification.20. class - Class label. 1 = contains signs of Diabetic Retinopathy. 0 = no signs of Diabetic Retinopathy.