品尝了约6500份葡萄牙Vinho Verde葡萄酒样品其中约30和约70分别为红色和白色变体.每个品尝者对样本的质量评分为0100差10好官方记录的样本质量是3个评Variable Description QUALITY integer in110FIXED ACIDITY numeric g dm3VOLATILE ACIDITY numeric g dm3CITRIC ACID numeric g dm3RESIDUAL SUGAR numeric g dm3CHLORIDES numeric g dm3FREE SULFUR DIOXIDE numeric mg dm3TOTAL SULFUR DIOXIDE numeric mg dm3DENSITY numeric g dm3pH numeric14SULPHATES numeric g dm3ALCOHOL numeric0.01.0volume