These data are about 210 wheat grains belonging to three different varieties (including: Kama, Rosa, and Canadian) on which 7 quantitative variables related to these kernel structures detected by using a soft X-ray visualization technique have been measured. These variables are: area
, perimeter
, compactness
, length of kernel
, width of kernel
, asymmetry coefficient
, length of kernel groove
, and class label variable variety
.